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Wetland Consultants List

PLEASE NOTE: The following list of consultants is arranged in alphabetical order and is provided purely as a convenience for members of the public. The Government makes no warranties, representations, or guarantees about the qualifications, experience, or competence of any individual or company whose name appears on the list. The Government assumes no liability for any damages suffered by anyone doing business with a person or company named on this list.

Requests to be added to the list should be sent to cespk-regulatory-info@usace.army.mil

Alphabetical Listing of Consultants

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AECOM

2020 L Street, Suite 400
Sacramento, CA 95811
916-414-5800
FAX 916-414-5850
www.aecom.com 

A Horizon Resources, LLC
Post Office Box 307
Park City, UT 84060
435-714-1168
ahorizon@msn.com

AlpineEco
Wetland, Wildlife & Vegetation Specialists
1127 Adams Street
Denver, CO 80206
303.859.1475
www.alpine-eco.com 
Andy Herb, Owner/Ecologist andyherb@alpine-eco.com  

Alpine Ecological Resources, LLC
1127 Adams Street
Denver, CO 80206
303-859-1475
www.alpine-eco.com

Alpine Environmental Resources
250 West 100 North
Washington, UT 84780
435-668-6089
Jill Hankins, Wetland Consultant, email alpineenv@gmail.com   

Amec Foster Wheeler
Colorado Center Tower II
2000 S Colorado Blvd, Suite 2-1000
Denver, CO 80222
303-935-6505
FAX 303-935-6575 
www.amecfw.com 
Rich Weber, Richard.weber@amecfw.com  

Analytical Environmental Services
1801 7th Street, Suite 100
Sacramento, CA 95811
916-447-3479
FAX 916-447-1665
www.analyticalcorp.com 
David Zweig
dzweig@analyticalcorp.com

Aqua-Hab, Inc
117 Conejo Place
Durango, CO 81301
970-259-2623
Fax 970-259-2615
aquahab@bresnan.net  
Corey Sue Hutchinson

AquaTerra Services, LLC  
http://www.atsgeo.com

1153 Bergen Parkway, Suite I-474
Evergreen, CO 80439
970-958-5373
463 High Tiara Ct
Grand Junction, CO 81507
970-234-0794

Robert O'Brien, rjo@atsgeo.com 

Area West Environmental
6248 Main Avenue, Suite C
Orangevale, CA 95662
916-987-3362
FAX | 916-988-2677
Becky Rozumowicz, becky@areawest.net  


Argonaut Ecological Inc.

2377 Gold Meadow Way, Suite 100
Gold Meadow, CA 95670
916-631-1540 916-803-1454
FAX 916-313-0800
Kathy Kinsland, REA, CISEC
kathy@argoconsult.net  
105 E. Front Suite, Suite 200
Monroe, MI 48161
Telephone: 734-242-4724
kathy@argoconsult.net

 

Ascent Environmental, Inc.
455 Capitol Mall, Suite 300
Sacramento, CA 95814
916-444-7301 
http://ascentenvironmental.com
Bonnie Peterson, Regulatory Practice Manager, bonnie.peterson@ascentenvironmental.com 

Aspen Environmental Group
5020 Chesebro Road, Suite 200
Agoura Hills, CA 91301
818-338-6652
www.aspeneg.com
avanleeuwen@aspeneg.com 

Atkins
2270 Corporate Circle
Suite 200
Henderson, NV 89074
702-263-7275
FAX: 702-263-7200 
http://northamerica.atkinsglobal.com/
Kimberley Jenkins Kimberley.Jenkins@atkinsglobal.com  

Atwell
3033 East 1st Ave., Suite 415
Denver, CO 80206
303-825-7100
FAX 303-825-7110 
www.atwell-group.com
Chris Haas chaas@atwell-group.com  

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Baad, Michael, Ph.D.
Professor of Ecology & Systematics
California State University
6000 "J" St.
Sacramento, CA 95819-6077
916-278-6494

Balance Environmental
4720 Hollow Road
Nibley, UT 84321
435-757-3815
Nate Norman
norman.nate@gmail.com

Bargas Environmental Consulting
2020 Hurley Way, Ste 295
Sacramento, CA 95825
916-993-9218
www.bargasconsulting.com 
Angela DePaoli, President adepaoli@bargasconsulting.com  

Basin Hydrology, Inc.
2340 County Road 203
Durango, CO 81301
970.903.0366
Mark Oliver, Hydrologist
mark@basinhydrology.com  

Best Ecological Design Group
Post Office Box 7399
Breckenridge, CO 80424
970-389-7670
Virgil O. Best II, Principal
PMB#376
bestecological@msn.com

Bio West Incorporated
1063 West 1400 North
Logan, UT 84321
435-752-4202
FAX 435-752-0507
Bob Thomas, Wetland Specialist, bthomas@bio-west.com

Bio-Environs
114 N. Boulevard, Suite 206
Gunnison, CO 81230
970-641-8749
Tim Lapello, bioenvirons@gunnison.com

BIO-Logic Inc.
125 Colorado Ave., Suite B
Montrose, CO 81401
970-240-4374
Alison Graff agraff@bio-geo.com

BSK Associates
3140 Gold Camp Drive, Suite 160
Rancho Cordova, CA 95670
916-853-9293 ext. 112
Erik Ringelberg, Natural Resources and Land Planning Group Manager
Mobile: 530-867-1411
eringelberg@bskinc.com  

BKS Environmental Associates, Incorporated
Post Office Box 3467
Gillette, WY 82717-3467
307-686-0800
FAX 307-686-0880
Brenda K. Schladweiler, Soil Scientist, bksenvironmental@vcn.com

Black Creek Hydrology, LLC
10998 Patterson Court
Northglenn, CO 80234 
303-920-2664
Steven Belz, Manager 
www.BlackCreekHydro.com

Blackhawk Environmental
1720 Midvale Drive
San Diego, CA 92105 
www.blackhawkenv.com
Kris Albers: Principal Biologist – Owner, 619-972-8714, kris@blackhawkenv.com 
Seth Reimers: Biologist - Owner, 619-972-7932, seth@blackhawkenv.com

Bluecorn Consulting
Post Office Box 247
Delta, CO 81416
970-874-0824
Mr. David A. Koehler, dtbluecorn@aol.com

BonTerra Consulting
151 Kalmus Drive, Suite E-200
Costa Mesa, CA 92626
714-444-9199
FAX 714-444-9599
Gary Medeiros, gmedeiros@bonterraconsulting.com

Bowen Collins & Associates
154 E. 14000 South
Draper, UT 84020
801-495-2224
FAX 801-495-2225
www.bowencollins.com  
Jamie Tsandes ASLA, LLA, jtsandes@bowencollins.com

Bowman Consulting
Eryn Lussier, LEED AP | Sr. Project Manager 
elussier@bowmanconsulting.com
bowmanconsulting.com

603 Park Point Dr., Suite 100
Golden, CO 80401
office: 303-801-2900 
fax: 303-674-3263 

135 E Jasper Avenue
PO Box 679
Granby, CO 80446
office: 970*887-2600
fax: 970-887-3200

Brown and Caldwell
1697 Cole Blvd, Suite 200
Golden, CO 80401
303-239-5400
Cell: 303-621-5813
Fax: 303-239-5454
www.brownandcaldwell.com
Attn: Mr. Chris Reichard, creichard@brwncald.com

Buys & Associates, Inc.
www.buysandassociates.com
Kirby Carroll, Project Manager/Senior Ecologist, kcarroll@buysandassociates.com  
Karin McShea, Botanist/Biologist, kmcshea@buysandassociates.com  
Dan Soucy, Environmental Scientist, dsoucy@buysandassociates.com

Corporate Headquarters:
300 E. Mineral Ave. Ste. 10
Littleton, CO 80122
303-781-8211
FAX 303-781-1167
838 Grand Ave, Ste. 100
Grand Junction, CO 81501
970-245-0778
FAX 970-245-0330
 335 West 50 North, Ste. 21
Vernal, UT 84078
435-781-1167
FAX 435.781.8217 
2580 Creekview Rd.
Moab, UT 84532
435-719-2018
FAX 435-719-2019  
 
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Cali Consulting Service, Incorporated
12960 Ivie Road
Herald, CA 95638
209-810-2538
FAX 209-748-2737
Cell 209-810-2538
Tish Espinosa, caliag@att.net

California Open Lands
P.O. Box 4440
Chico CA 95927
530-872-7281
www.californiaopenlands.org 
Rebekah Funes, rebekah@californiaopenlands.org

Cardno, Inc.
201 North Calle Cesar Chavez, Suite 203
Santa Barbara, CA 93103
805-963-0431
FAX 805-963-0412 
www.cardno.com
Keven Ann Colgate, Senior Project Scientist

cbec, inc. eco engineering
2544 Industrial Blvd.
West Sacramento, CA 95691
http://www.cbecoeng.com/
916 231 6052 ext. 218
Fax 916 669 8886
Melanie Carr, M.S., P.E, m.carr@cbecoeng.com
Cell 530 574 3676

Cedar Creek Associates, Inc.
613 Hinsdale Drive
Fort Collins, Colorado 80526
970-229-9278
Stephen Long, slong@centurylink.net

CET Condor Earth Technologies, Incorporated
21663 Brian Lane
Sonora, CA 95370
209-532-0361
Debra Lewis

CH2M Hill

2485 Natomas Park Drive, Suite 600
Sacramento, CA 95833
916-296-6792
215 South State Street, Suite 1000
Salt Lake City, UT 84111
801-350-5200
FAX 801-355-2301
Chuck Blair, cblair@ch2m.com
Denny Mengel, dmengel@ch2m.com
Jeff DenBleyker, jdenbleyker@ch2m.com

Cirrus Ecological Solutions, LC
965 South 100 West, Suite 200
Logan, UT 84321
435-787-1490
FAX 435-787-1495
Neal Artz, nartz@cirruses.com

Civil Solutions Group, Inc.
540 West Golf Course Road Suite B1
Providence, UT 84332
435-213-3762
Cell: 435-760-7488
www.civilsolutionsgroup.net 
Danny MacFarlane, P.E., danny@civilsolutionsgroup.net

Claffey Ecological Consulting, Incorporated
1371 17 Road
Fruita, CO 81521
970-858-1670
Michael Claffey

Colibri Ecological Consulting, LLC
11238 N Via Trevisio Way
Fresno, CA 93730
559-246-3272
Jeff N. Davis, President, Senior Ecologist
jdavis@colibri-ecology.com  
www.colibri-ecology.com

Robert Collins
130 Ski Hill Road, Suite 235
Post Office Box 5615
Breckenridge, CO 80424-5615
970-485-1879
FAX 970-453-345
BuilderAttorney@yahoo.com

Colorado Land and Water Specialists
239 Grand Ave
Delta, CO 81416
970-596-3291
Cary Denison, denisonwater@yahoo.com

Colorado Wildlife Science, LLC
0100 Elk Run Drive, Suite 128A
Basalt, CO 81621
970-927-4549
Jonathan Lowsky, info@coloradowildlifescience.com

Condor Country Consulting, Inc.
815 Estudillo Street
Martinez, Ca 94553
925-335-9308
FAX 925-231-0571
www.condorcountry.com
Wendy Dexter, wendy@condorcountry.com

Costella, Tina
Environmental Consultant
PO Box 215
Nevada City, CA 95959
530-265-6969
FAX 530-265-0601
tcostella@metrailer.com

Cramer Fish Sciences
3300 Industrial Blvd., Suite 100
West Sacramento, CA 95691
916-231-1681
FAX 916-231-1688
Kirsten Sellheim kirsten.sellheim@fishsciences.net

CSCON
4141 Ramsey Circle
Carson City, NV 89706-0550
775-885-1944
FAX 775-885-2449
Carter Schleicher cscon@att.net 

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Davis2
Consulting Earth Scientist
Post Office Box 734
Georgetown, CA 95634
530-333-1405
Sidney W. Davis, Professional Soil Scientist

Davis Environmental Consulting, LLC
Post Office Box 72103
Davis, CA 95617
530-756-6414
FAX 530-756-5334
Ellyn Miller Davis, President davisenv@pacbell.net 

De Novo Planning Group 
1020 Suncast Lane, Suite 106 
El Dorado Hills, CA 95762 
916-580-9818
 
smcmurtry@denovoplanning.com 
www.denovoplanning.com  

Dokken Engineering
2365 Iron Point Road Suite 200
Folsom CA, 95630
916-858-0642
Fax: 916-858-0643
Namat Hosseinion, Senior Environmental Planner

 

DUDEK
http://www.dudek.com/
 
980 9th Street, 17th Floor Ste. 1750
Sacramento, CA 95814 T
916-443-8335
Cell 916-508-6455
FAX 916-443-5113
Sherri Miller, Principal Biologist
smiller@dudek.com  
11641 Blocker Drive, Suite 240
Auburn, CA 95603
530-885-8232
Cell 530-305-0603
Fax 530-443-5113
Kevin Derby, Senior Biologist
kderby@dudek.com  
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E2 Consulting Engineers, Inc.
1900 Powell Street, Suite 250
Emeryville, CA 94608
510-722-6022
www.e2.com
Russell Huddleston, Professional Wetland Scientist
russell.huddleston@e2.com

Earth Touch, LLC
2269 East Canyon View Drive
Layton, UT 84040
801-771-2800, ext. 304
FAX 801-771-2838
Mason Holmes, mholmes@earthtouch-llc.com

EBWB, Inc.
P.O. Box 1741
Breckenridge, CO
719-839-1382
970-368-3292
www.COwetlands.com
Jennifer Migliorato, ebwbjennifer@gmail.com 

Eco-Analysts
1469 Humboldt Rd., Suite 100
Chico, CA 95928
(530) 342-5991
Albert Beck, Ph.D., abeck@eco-analysts.com

Ecological Resource Consultants, Inc.
5672 Juhls Drive
Boulder, CO 80301
303-679-4820 x106 
www.erccolorado.net
Diane Krzysztof, Professional Wetland Scientist Ecologist , diane@erccolorado.net

EcoResource Solutions, Inc.
5765 Olde Wadsworth Blvd., Ste. 10
Arvada, CO 80002
720-974-4075
www.EcoResourceSolutions.com
Tony Byrne, Principal Ecologist, tbyrne@EcoResourceSolutions.com
Wes Friesen, Wetland Ecologist, wfriesen@EcoResourceSoltions.com

Ecosphere Environmental Services
776 E. 2nd Ave.
Durango, CO 81031
970-382-7256
Mike Fitzgerald, Principal fitz@ecosphere-services.com  

Ecological Outreach Services (EOS)
PO Box 2858
Grass Valley, CA 95945
530-272-7132
Virginia Moran, Sole Proprietor and Principal, www.ecooutreachvsm.com

EcoWang, Inc.
949 Gregson Avenue
Salt Lake City UT 84106,
2638B Warring Street
Berkeley, CA 94704
801-467-5604
Cell 801-953-4540
www.ecowang.com 
Jeanny Wang Miles, Wetlands/Watersheds/GIS/NEPA Specialist/Engineer jeannywm@gmail.com

Ecological Resource Consultants
5672 Juhls Drive
Boulder, CO 80304
303-679-4820
www.erccolorado.net
David Blauch, dave@erccolorado.net  

Ecosystem Services, LLC
1455 Washburn Street
Erie, CO 80516
303-746-0091
Grant Gurnee, PWS & Jon Dauzvardis, PWS, email: ggurnee.ecos@comcast.net

Ecology & Environment, Inc.
130 Battery St, Suite 400
San Francisco, CA 94111
415-981-2811 ext. 4703
Cell:415-817-9506
Fax:415-981-0801
Erec DeVost, EDeVost@ene.com 

ECORP Consulting, Incorporated
2525 Warren Drive
Rocklin, CA 95677
916-782-9100
FAX 916-782-9134
info@ecorpconsulting.com

EcoSynthesis Scientific & Regulatory Services, Inc.
16173 Lancaster Place
Truckee, CA 96161
530-582-6812
Adrian Juncosa, ajuncosa@ecosynthesis.com

EDM International, Inc.
4001 Automation Way
Fort Collins CO 80525 
www.edmlink.com
Amy Dean, Senior Wetlands Scientist, Adean@edmlink.com  

EGIS Environmental & GIS Consulting, Incorporated
314 South Main
Bentonville, Arkansas 72712
501-271-9252
Manuel Barnes, President & CEO

Enercon Services, Incorporated

6525 North Meridian Avenue, Ste 503
Oklahoma City, OK 73116
405-722-7693
Derek Richard, drichard@enercon.com
3434 Marconi Avenue, Ste C
Sacramento, CA 95821-6242
916-480-0206
John Wharff, jwharff@enercon.com

ENPLAN
3179 Bechelli Lane, Suite 100
Redding, CA 96002
530-221-0440
FAX 530-221-6963
www.enplan.com 
Donald M. Burk, Environmental Services Manager

Envirocentric Design
145 West 100 South
Wellsville, Utah 84339
435-554-8465 
envirocentricdesign.com 
Danny White dannywhitefl@gmail.com

Environmental Intelligence, LLC
1590 South Coast Hwy, Suite 17
Laguna Beach, California 92651
949-497-0931
Travis Kegel, Senior Biologist, traviskegel@enviro-intel.com
http://www.enviro-intel.com/

ENTRIX
701 University Avenue, Suite 200
Sacramento, CA 95825
916-386-3807
FAX 916-923-6251
www.entrix.com  
John Spranza, II, Senior Consultant - Aquatic Ecologist, john.spranza@cardno.com

ENVIRON International Corporation
www.environcorp.com
The Judge Building 
8 East Broadway, Suite 320 
Salt Lake City, UT 84111 
385-282-5310
FAX:  385-282-5304
Rick Black; Manager, Sr. Ecologist rblack@environcorp.com, office: 385-282-5310, Mobile 801-243-8180

Environmental Planning Group
208 East 800 South
Salt Lake City, UT 84111
801-746-4457
FAX 801-746-3596

Environmental Solutions, Inc.
600 County Road 216
Rifle, CO 81650
970-618-6841
Steve Dahmer, Biologist

Enviroserve Associates, L.L.C.
1224 E. Raymond Road
Fruit Heights, UT 84037
801-546-2105 or 801-540-5419
FAX 801-546-9625
Craig E. Cox, craigcox_1@hotmail.com

Epic Engineering, PC
Torrey Copfer
50 E 100 S
Heber City, UT 84032
435-654-6600
tcopfer@epiceng.net

epg
3457 Ringsby Court #100-B
Denver, CO 80216|
epgaz.com
720-476-6025
Mobile:  720-346-4301
Ronald Spears, CE | Denver Office Director | Biological Resources Director, rspears@epgaz.com

Equinox Engineering
1780 West 9000 South, Suite 127
West Jordan,UT 84044    
W. Chris Christiansen, P.E., 801-910-9480, email cchristiansen@equinoxengineering.us

ERO Resources Corporation
www.eroresources.com 

1842 Clarkson Street
Denver, CO 80218
303-830-1188
Mr. Steve Dougherty
sdougherty@eroresources.com  
1065 Main Avenue, Suite 208
Durango, CO 81301
970-749-6446
Sean Larmore
slarmore@eroresources.com  
29844 Stingley Gulch Roach
Hotchkiss, CO 81419
970-872-3020
Aleta Powers, apowers@eroresources.com
 3314 Grace Street
Boise, Idaho 83703
208-373-7983
eroboise@eroresources.com

ESA
www.esassoc.com

2600 Capitol Ave, Ste 200
Sacramento, CA 95816
916-564-4500
FAX 916-564-4501
esa.sf@esassoc.com  
Erich Fischer
225 Bush Street, Ste 1700
San Francisco, CA 94104
415-896-5900
FAX 415-896-0332 
350 Frank H. Ogawa Plaza,
Ste 300
Oakland, CA 94612
510-839-5066
FAX 510-839-5625
1425 N. McDowell Blvd,
Ste 200
Petaluma, CA 94954
707-795-0900
FAX 707-462-0902

 
ESCO Associates, Inc.
PO Box 18775
Boulder, CO 80308
303-499-4277
carla@escoassoc.com
www.esco-associates.com  
Dr. David L. Buckner
Carla Vandervoort
Russell Beam

Environmental Site Restoration, Inc.
dba: ESR, Inc.
40029 Highway 41, Suite 9B
Oakhurst, CA 93644
(559-683-5335 office
William Stolp
Scott Larson
Email: esri@sti.net  or scott.esri@sti.net

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Foothill Associates, Environmental Consultants
www.foothill.com 
info@foothill.com
Whitney Environmental Consulting, Inc.
dba Foothill Associates
590 Menlo Drive, Suite 5
Rocklin, CA 95765
Phone: (916) 435-1202
FAX: (916) 435-1205
Kenneth Whitney

Jonathan Foster
Foster Consulting
5427 Valleyridge Drive
Redding, CA
530-710-4059
fostidae@yahoo.com  

Four Corners Planning, Inc.
Post Office Box 2575,
334 Redcliff
Telluride, CO 81435
970-728-0646
Richard Grice

Frontier Corporation USA
221 N. Gateway Drive, Suite B
Providence, UT 84332
435-753-9502
FAX 435-753-9534
Dennis Wenger, M.S., Senior Wetlands Ecologist, dwenger@FrontierCorp.net

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GEI Consultants, Inc.

 

4601 DTC Boulevard, Suite 900
Denver, CO 80237
303-264-1126
Sarah Skigen, sskigen@geiconsultants.com  
4601 DTC Boulevard, Suite 900
Denver, CO 80237
303-264-1010
Jamie Nogle , jnogle@geiconsultants.com

 
Gallaway Enterprises, Inc.
117 Meyers Street, Suite 120
Chico, CA 95928
(530) 332-9909 office
(530) 332-9905 fax
(530) 521-4868 cell
Jody Gallaway jody@gallawayenterprises.com

Garcia and Associates

435 Lincoln Way
Auburn, CA 95603
530-823-3151
Dave Kelly, dkelly@garciaandassociates.com
 1 Saunders Ave.
San Anselmo, CA 94960
415-458-5803
John and Carole Garcia, cgarcia@garciaandassociates.com

GEI Consultants
2868 Prospect Park Drive, Suite 400 
Rancho Cordova, CA 95670 
916-631-4515 FAX: 916-631-4501
www.geiconsultants.com
Cindy Davis, cdavis@geiconsultants.com

geo.sUAS, Inc.
PO Box 19805
Reno, NV 89511
775-287-9038
Lori Carpenter, PWS, CPESC, CA QSP/QSD loric@nevada.unr.edu

Global Wetlands, Ltd.
2069 Fairfax Street
Denver, CO 80207
303-329-0978
Mark Rudolph

Glenn Lukos Associates
29 Orchard
Lake Forest, CA 92630
949-837-0404
FAX 949-837-5834
Glenn Lukos, ext. 19, glukos@wetlandpermitting.com

Glisson, Bruce
315 Matterhorn Drive
Park City, UT 84098
435-645-3977
bglis@burgoyne.com

Gonzales Environmental Consulting, LLC
La Quinta Office:
51-842 Avenida Diaz
La Quinta, CA 92253
760.777-1621
http://www.gonzalesenvironmental.com
Teresa Gonzales, teresa@gonzalesenvironmental.com 

GPA Consulting
231 California Street
El Segundo, CA 90245
310-792-2690
www.gpaconsulting-us.com
Jennifer Morrison, Associate Biologist, jennifer@gpaconsulting-us.com

Grand Environmental Services
312 Park Avenue, P.O. Box 857
Grand Lake, CO 80447-0857 
www.grandenvironmental.com  
Geoffrey Elliott, geoff@grandenvironmental.com

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Habitat Management, Incorporated
14 Inverness Drive East, Suite G-228
Englewood, CO 80122
303-770-9788
Wayne Erickson or David Wileden

Hepworth-Pawlak Geotechnical, Inc.

240 Annie Road
Silverthorne, Colorado  80498
Office: 970-468-1989
Jason A. Deem – Env. Services Manager
Mobile: 970-485-4248
jdeem@hpgeotech.com 

5020 CR 154
Glenwood Springs, Colorado 81601
Office: 970-945-7988
Jason A. Deem – Env. Services Manager
Mobile: 970-485-4248
jdeem@hpgeotech.com  

HELIX Environmental Planning, Inc.
11 Natoma Street, Suite 155
Folsom, CA 95630
916.365.8700
http://www.helixepi.com
Stephen Stringer, Senior Biologist, 916-365-8712, StephenS@helixepi.com

Halstead & Associates
Environmental/Biolgical Consultants
296 Burgan Avenue
Clovis, CA 93611
209-298-2334
FAX 559-322-0769
Jeffrey & Pamela Halstead

HDR Engineering, Incorporated

2379 Gateway Oaks Drive, Suite 200
Sacramento, CA 95833
(916) 564-4214
FAX 916-817-4747
Northern CA Lead, Summer Pardo, PWS, Summer.pardo@hdrinc.com 
 3995 South 700 East, Suite 100
Salt Lake City, UT 84107
801-743-7800
FAX 801-743-7878
Terry Warner, Environmental Section Manager, Terry.Warner@hdrinc.com

Headwaters Partners, LLC
700 Broadway, Suite 800
Denver, Colorado 80203
970-640-6217
Travis Morse, Travis@hwpartnersllc.com 

HRL Compliance Solutions, Inc. 
www.hrlcomp.com
2385 F ½ Road
Grand Junction, CO 81505
970.243.3271
Maurice Foye, Wetland Scientist, mfoye@hrlcomp.com
Ashlee Lane , Wetland Scientist, Alane@hrlcomp.com

Horizon Water and Environment, LLC
1330 Broadway, Suite 600, Oakland, CA 94612
P.O. Box 2727, Oakland CA, 94602
www.horizonh2o.com 
Michael Stevenson, M.S. , Principal
michael@horizonh2o.com
510-986-1852 

Horrocks Engineers
2162 West Grove Parkway, Suite 400
Pleasant Grove, UT 84062
801-763-5100
Ryan Pitts, Environmental Specialist, ryanp@horrocks.com

HOWELL IT IS
1232 Lewis Oak Road
Gridley, CA 95948
530-846-7962
FAX 530-846-7962 
http://www.howellitis.com/
Dan Howell, CA Registered Professional Forester #2500, ISA Certified Arborist WE 6478A, dan@howellitis.com

H.T. Harvey & Associates
1331 Garden Highway, Suite 310
Sacramento, CA 95833
http://www.harveyecology.com
916-779-7350
Debra Bishop, Principal, 916-779-7351
dbishop@harveyecology.com 

Huffman-Broadway Group, Inc.
828 Mission Avenue
San Rafael, CA 94901
415-925-2000
www.h-bgroup.com  
Terry Huffman, Ph.D., Wetland Regulatory Specialist thuffman@h-bgroup.com

Hydro Restoration
Grass Valley 530-268-9727
Truckee: 530-550-0125
Nevada: 775-772-9764
Katrina Smolen, hydrorestoration@yahoo.com

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ICF International
www.icfi.com 

2600 V Street
630 K Street, Suite 400
Sacramento, CA 95814
916-737-3000
FAX 916-737-3030
Michael Vondergeest mvondergeest@icfi.com  
Gregg Ellis gellis@icfi.com   
2895 Churn Creek Road, Suite B
Redding, CA 96002
530-223-3196
FAX530-223-4865
Dale Pooley dpooley@icfi.com 

 

IHI Environmental
640 East Wilmington Avenue
Salt Lake City, UT 84106
801-466-2223
FAX 801-466-9616
Tom Hopkins, Manager, Natural Resources Services, hopkins@ihi-env.com

IME
Post Office Box 270
Yampa, CO 80483
970-638-4462
Kent A. Crofts, kent@imeyampa.com

Impact Sciences, Inc.
555 12th Street, Suite 1650
Oakland, California 94607
510-267-0494
Fax: 510-267-0490 
http://www.impactsciences.com 
Shabnam Barati, Ph.D., Managing Principal Sbarati@impactsciences.com 
Mobile 510-846-7573

Incompli
Storm Water, SWPPP, QSP/QSD, REAP, monitoring, BMP and other consulting services.
23034 Lake Forest Dr Suite B
Laguna Hills, CA 92653
800-677-3718 
www.incompli.com 
Andrew Plunkett, info@incompli.com, 800-677-3718

Intermountain Aquatics, Inc.
www.intermountainaquatics.com

369 East Ramona Ave.
Salt Lake City, UT 84115
801-520-2505
116 Mustang Drive/P.O. Box 1115
Driggs, ID 83422
(208) 354-3690(office)
(208) 354-3790(fax)
Eric McCulley, emcculley@intermountainaquatics.com

 

IRIS Mitigation and Design Inc.
3450 West 32nd Avenue, 2nd Floor
Denver CO 80211
Tel: 720-272-1985
Fax:720-274-3092
www.irismitigation.com  
bleisure@irismitigation.com

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JD Summers-Envirotech
930 West Madison
Vandalia, Illinois 62471
1-800-728-WTLN (9856)

Joseph Staed Environmental Consulting, LLC
Post Office Box 424
Breckenridge, CO 80424
Phone: (970) 485-0009
Attn: Mr. Joseph Staed
Joe@staedenvironmental.com

J-U-B ENGINEERS Inc.
466 North 900 West
Kaysville, UT 84037
Phone: 801-547-0393
FAX: 801-547-0397
Cell: 801-648-6822
Greg Graves ggraves@jub.com

 

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K.A. Smith Consulting, Incorporated
P.O. Box 709058
Sandy, UT 84070-9058
801-833-9029
Karri A. Smith, President
Professional Wetland Scientist #1116
karriasmith@msn.com

Kagel Environmental, LLC
Wetlands, Wildlife and Permitting Specialists
3879 East 200 North
Rigby, Idaho 83442
208-745-0076 FAX 208-441-4382
http://www.kagelenvironmental.com 
cell 208-313-3890
Ray L. Kagel, Jr., M.S., PWS ray@kagelenvironmental.com
Professional Wetland Scientist #2234
Susan Kagel , MS, Ph.D. susan@kagelenvironmental.com

Kelley & Associates Environmental Sciences, Inc.
20 E. Baker Street
Winters, CA 95694
530-795-6006
FAX: 530-795-6008
David B. Kelley, Principle Scientist, dbkelley@jps.net

Kelly Biological Consulting
P.O. Box 1625
Truckee, CA 96160
530-582-9713
Micki Kelly, Kellybio@att.net

Kier Associates, Fisheries and Watershed Professionals
15 Junipero Serra Avenue
San Rafael, CA 94901
Office: 415-721-7548
Mobile: 415-306-6123
www.kierassociates.net  
kierassociates@att.net
Bill Kier

Klamath Wildlife Resources
1760 Kenyon Drive
Redding, CA 96001
530-244-5652
Brian Shaw, Owner, kpgco@charter.net

Kleinfedler Associates

4835 Longley Lane
Reno, NV 89502
775-689-7800 x109
FAX 775-689-7810
Joshua P. Fortmann
JFortmann@kleinfelder.com
3077 Fite Circle
Sacramento, CA 95827
916-366-1702
FAX 916-366-7013
Tom Adams, JD
TAdams@kleinfelder.com 
1970 Broadway, Suite 170
Oakland, CA 94612
510-628-9000
FAX 510-628-9009
Michael Johnson, JD
MJohnson@kleinfelder.com 
4815 List Drive, Unit #115
Colorado Springs, CO 80919
719-632-3593
FAX 719-632-2648
Rick Jones, MS
RJones@kleinfelder.com 

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Life Science
3276 Nord Avenue
Chico, CA 95973-8645
Phone and Fax 530-343-6430
Lisa Stallings, Ph.D., lstallings@csuchico.edu

Littlehorn Engineering & Surveying, LLC
www.littlehornengineering.com
P.O. Box 776390
Steamboat Springs, CO 80477
Steamboat Phone and Fax: 970-879-5112
Fairplay Phone and Fax: 719-836-7120
design@johnlittlehorn.com  

Live Oak Associates, Inc.
Dave Hartesveldt, President

P.O. Box 2697
39930 Sierra Way, Suite B
Oakhurst, CA 93644
Phone: 559-642-4880
FAX: 559-642-4883
Live Oak Associates, Inc.
6840 Via del Oro, Suite 220
San Jose, CA 95119
Phone: 408-224-8300
FAX: 408-224-1411

LT Environmental, Inc.
848 East 2nd Avenue
Durango, CO 81301
970- 385-1096
www.ltenv.com

Logan Simpson Design Inc.  
www.logansimpson.com   

            
Tempe
51 W. Third St., Ste. 450
Tempe, AZ 85281
Phone: 480-967-1343
Fax: 480-966-9232
Neely Smith marketing@logansimpson.com 
Tucson
33 North Stone Avenue
Suite 1460
Tucson, AZ 85701
520-884-5500
Fax: 520-620-0441
Las Vegas
777 North Rainbow Boulevard
Suite 385
Las Vegas, NV 89107
702-697-0200
Salt Lake City
8 East Broadway
Suite 300
Salt Lake City, UT 84111
801-364-0525
Fax: 801-364-0676
Denver
1430 Larimer Street
Suite 300
Denver, CO 80202
303-996-8575
Fax: 303-996-8579
Fort Collins
123 North College Avenue
Suite 206
Fort Collins, Colorado 80525
970-449-4100
Fax: 970-449-4101

The Louis Berger Group, Inc.
http://www.louisberger.com

 

Denver
535 16th Street, Suite 600
Denver, CO 80202
Brandon B. Marette, M.S., CWB®, PWS
Biologist | Planning, Facilities, and Resource Management
303-985-6625 bmarette@louisberger.com
Portland
700 NE Multnomah Street, Suite 900
Portland, OR 97232
Robert Knable, M.S., CEM, PWS
Biologist | Planning, Facilities, and Resource Management
503-236-8839 x9572 rknable@louisberger.com  

Sacramento
2600 Capitol Ave., Suite 120
Sacramento, CA 95816
916-441-1127

Las Vegas
500 Amigo Court, Suite 100
Las Vegas, NV 89119
702-736-6632

LSA

157 Park Place
Pt. Richmond, CA 94801
510-236-6810
FAX 510-236-3480
Steve Foreman, Environmental Consultant
steve.foreman@lsa-assoc.com 
4200 Rocklin Road, 11B
Rocklin, CA 95677
916-630-4600
FAX 916-630-4603
Jeff Bray
Jeff.Bray@lsa-assoc.com

Rollin M. Lunders, Geological and Wetlands Consultant
44190 County Road M.3
Mancos, CO 81328
970-533-7674
Cell 970-769-0694

Lux Environmental Consulting, LLC
6006 SE Francis Street
Portland, Oregon 97206
503-774-3882
cell: 503-310-2753 
FAX:  503-774-3882
www.luxenvironmental.com 
April Zohn


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Madrone Ecological Consulting, LLC
8421 Auburn Blvd., Suite 248
Citrus Heights, CA 95610
916-822-3230
Ginger Fodge, Sarah VonderOhe

Marcus H. Bole & Associates 
104 Brock Drive 
Wheatland, CA 95962 
530-633-0117 
Fax: 530-633-0119 
Mobile: 916-747-8501 
www.mhbole.com  
mbole@aol.com 

Martin & Nicholson Environmental
935 Williamstown Court,
Park City UT 84098
Susan Martin, M.S., Manager, Botanist 810-910-1714 susan@mnenvironmental.com
Brian Nicholson, M.S., Manager, Wetland Specialist, 801-703-0982 brian@mnenvironmental.com

McCollum Associates
8336 Alpine Laurel Way
Sacramento, CA 95829-8140
(916) 688-2040
Michael D. McCollum, mccollum@mccollum.com

Michael Brandman Associates
220 Commerce, Suite 200
Irvine, CA 92602-1326
714-508-4100
FAX 714-508-4110
www.brandman.com
mba@brandman.com 

Monk & Associates, Incorporated
Environmental Consultants
1136 Saranap Avenue, Suite Q
Walnut Creek, CA 94595
925-947-4867
FAX 925-947-1165
www.monkassociates.com 
Geoff Monk, Principal Biologist

Montane Environmental Solutions, Limited
Post Office Box 281
Silverthorne, CO 80498
970-468-0450
Anna Higgins or Nicola Ripley
montane@colorado.net 

Moore Biological Consultants
10330 Twin Cities Road, Suite 30
Galt, CA 95632
209-745-1159
FAX 209-745-7513
Diane Moore, moorebio@softcom.net 

Mott MacDonald
5295 S. Commerce Drive, Suite 500
Murray, Utah 84107
Justin Miner, PWS, Ofc 801-559-2716, Cell 435-512-9858, Justin.miner@mottmac.com
Halli Harris, PWS, Ofc 801-704-0302, Cell 801-360-7941, halli.harris@mottmac.com 

Mountain Cross Engineering, Incorporated
826 1/2 Grand Avenue
Glenwood Springs, CO 81601
970-945-5544
Chris Hale

Mountain West Ecological Consulting, Incorporated
994 South 400 East
Post Office Box 486
Providence, UT 84332
435-753-7572
FAX 435-753-7572
Ramona Rukavina, Ecologist
mtnwesteco@mtwest.net

Mt. Nebo Scientific, Incorporated
330 East 400 South, Suite 6
P.O. Box 337
Springville, UT 84663
Patrick D. Collins, Ph.D.
801-489-6937
FAX 801-489-6779
mt.nebo@xmission.com

MTNGEOGEEK, LLC
MAIL: PO Box 2058, Ridgway, CO 81432
PHYSICAL ADDRESS:  380 W. Sherman St., Suite 2 (GROUND FLOOR)
Ridgway, CO 81432 
Office/Cell: 970-258-0836
www.ColoradoWaterData.org
Lynn Padgett

Mott MacDonald
5295 S. Commerce Drive, Suite 500
Murray, Utah 84107
Justin Miner, PWS, Ofc 801-559-2716, Cell 435-512-9858
Halli Harris, PWS, Ofc 801-704-0302, Cell 801-360-7941
Mott MacDonald
5295 S. Commerce Drive, Suite 500
Murray, Utah 84107
Justin Miner, PWS, Ofc 801-559-2716, Cell 435-512-9858
Halli Harris, PWS, Ofc 801-704-0302, Cell 801-360-7941
Mott MacDonald
5295 S. Commerce Drive, Suite 500
Murray, Utah 84107
Justin Miner, PWS, Ofc 801-559-2716, Cell 435-512-9858
Halli Harris, PWS, Ofc 801-704-0302, Cell 801-360-7941
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Natural Investigations Co., Inc.
6124 Shadow Lane, Citrus Heights, CA 95621
Environmental Consulting - Biological Research - Training 
G.O. “Geo” Graening, PhD, MSE, Principal
Mobile: 916-452-5442
geo@naturalinvestigations.com 


Natural Resource Services, Inc.
P.O. Box 861
Longmont, CO 80502-0861
Phone: 303-915-3211 or 800-242-9466
Fax: 720-652-4792
www.nrsiservices.com
nrsi@nrsiservices.com

Natural Resources Consulting
165 East 500 South
River Heights, UT 84321
435-752-4200
FAX 435-752-1691
Cynthia K. Johnson, Professional Wetland Scientist, nrcon@comcast.net

Nature Technical Consultant Services Corporation
619 Main St
Grand Junction, CO 81501
970-250-5486
FAX 970-256-9570
Michael Villa, mjvilla1@mac.com.

Nelson Consulting, Inc.
600 Reilly Ave.
Farmington, NM 87401
www.nel-con.com
505-327-6331
Fax 505-327-6332
Cara English, cenglish@nel-con.com


NewFields
www.newfields.com

8250 West Charleston Blvd, Suite 100
Las Vegas NV 89117
702-952-2072
FAX 702-952-2073
Ken MacDonald
kmacdonald@newfields.com
2020 L. St. Suite 110
Sacramento, CA 95811
916-265-6338
FAX 916-329-3112
Adam Hamburg, ahamburg@newfields.com


North Coast Resource Management
6910 North State Street
Ukiah, Ca 95842
707-485-7211
FAX 707-485-8962
Cathern Anello, Office Manager, cat@ncrm.com

NorthStar - Environmental Division
111 Mission Ranch Blvd, Ste. 100
Chico. CA 95926
530-893-1600, ext. 213
Kamie Loeser, Senior Environmental Planner
kloeser@northstareng.com 
www.northstareng.com 

North State Resources
www.nsrnet.com
1321 20th Street
Sacramento, CA 95814
916-446-2566
FAX 916-446-2792 
 5000 Bechelli Lane, Suite 203
Redding, CA 96002
530-222-5347
FAX 530-222-4958
Laura F. Kuh, Principal
500 Orient Street, Suite 150
Chico, CA 95928
530-345-4552
FAX 530-345-4805 
 305 Chestnut Street
Mount Shasta, CA 96067
530-926-3595
FAX 530-926-3857

Northwest Biosurvey
1905 Westlake Drive
Kelseyville, CA 95451
nwbio98@gmail.com
707-889-1061
Steve Zalusky
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Natural Resource Services, Inc.
P.O. Box 861
Longmont, CO 80502-0861
Phone: 303-915-3211 or 800-242-9466
Fax: 720-652-4792
www.nrsiservices.com
nrsi@nrsiservices.com

Natural Resources Consulting
165 East 500 South
River Heights, UT 84321
435-752-4200
FAX 435-752-1691
Cynthia K. Johnson, Professional Wetland Scientist, nrcon@comcast.net

NewFields
www.newfields.com
8250 West Charleston Blvd, Suite 100
Las Vegas NV 89117
702-952-2072
FAX 702-952-2073
Ken MacDonald
kmacdonald@newfields.com  
2020 L. St. Suite 110
Sacramento, CA 95811
916-265-6338
FAX 916-329-3112
Adam Hamburg
ahamburg@newfields.com  

Nature Technical Consultant Services Corporation
619 Main St
Grand Junction, CO 81501
970-250-5486
FAX 970-256-9570
Michael Villa, mjvilla1@mac.com .

Nelson Consulting, Inc.
835 East 2nd Avenue
Durango, Colorado 81301
(970) 375-9703
David Johnson, djohnson@nel-con.com 

Nomad Ecology, LLC
822 Main Street
Martinez, CA 94553
www.nomadecology.com 
925-228-1027
Fax 925-228-1006
Erin McDermott
emcdermott@nomadecology.com  

North Coast Resource Management
6910 North State Street
Ukiah, Ca 95842
707-485-7211
FAX 707-485-8962
Cathern Anello, Office Manager, cat@ncrm.com 

NorthStar - Environmental Division
111 Mission Ranch Blvd, Ste. 100
Chico. CA 95926
530-343-8327 ext. 208
Fax 530-343-2113
Christy Dawson, Senior Regulatory Biologist, cdawson@northstareng.com

North State Resources
www.nsrnet.com
1321 20th Street
Sacramento, CA 95814
916-446-2566
FAX 916-446-2792
5000 Bechelli Lane, Suite 203
Redding, CA 96002
530-222-5347
FAX 530-222-4958
Laura F. Kuh, Principal
500 Orient Street, Suite 150
Chico, CA 95928
530-345-4552
FAX 530-345-4805
305 Chestnut Street
Mount Shasta, CA 96067
530-926-3595
FAX 530-926-3857 

 

Northwest Biosurvey
Post Office Box 191
Cobb, CA 95426
707-928-1985
nwbio@mchsi.com  
Steve Zalusky

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O'Connor, Robert W.
88 8th Street
Post Office Box 423
Como, CO 80432-0423
Bob4glo@aol.com

Olberding Environmental, Inc.
Jeff Olberding, jeff@olberdingenv.com
193 Blue Ravine Road, Suite 165
Folsom, CA 95630
916-985-1188
FAX 916-985-2288
3170 Crow Canyon Place, Suite 260
San Ramon, CA 94583
925-866-2111
FAX: 925-866-2126

Olsson Associates, Inc.

826 21 1/2 Road
Grand Junction, CO 81505
970-263-7800
Dion Plsek
Stuart Hall, shall@oaconsulting.com
4690 Table Mountain Drive, Suite 200
Golden, CO 80403
303-237-2072
FAX 303-237-2659
Scott Dicke, sdicke@oaconsulting.com 

Otis Bay, Inc.
P.O. Box 919
Verdi, NV 89439
Phone: 775-345-9960
FAX: 775-345-9963
otisbay.com
otisbayrestoration@gmail.com
Susan Mortenson, Sr. Landscape Ecologist

OtterTail Environmental, Inc.
10200 West 44th Avenue, Suite 210
Wheat Ridge, CO 80033
303-858-8350
FAX 303-858-8567
www.ottertail.us/
Ed Fleming, efleming@ottertail.us

Outlaw Engineering
P.O. Box 1800
Roosevelt, Utah 84066
435-232-4321
randy@outlaw-engineering.com

 

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Pacific Municipal Consultants
2729 Prospect Park Drive, Suite 220
Rancho Cordova, CA 95670
916-361-8384
FAX 916-361-1574
Joyce Hunting, jhunting@pacificmunicipal.com 

Pacific States Environmental Contractors Inc.
11555 Dublin Boulevard
Dublin, California 94568
925-803-4333, FAX:  925-803-4334,
Kevin Krause, kkrause@pacificstates.net, 925-361-1394, Mobile:  925-605-8839

Parsons
4762 Calle Louisa
Golden, Colorado 80403
303-277-1274
Dr. Bruce Snyder

Parus Consulting, Inc.
Environmental Planning & Permitting, Natural and Cultural Resource Management
1508 Eureka Road, Suite 170
Roseville, CA 95661
916-782-5818
Fax 916-782-5090
Tom Lagerquist, Principal, Tom@parusconsulting.com

PBS & J

2270 Corporate Circle, Suite 100
Henderson, NV 89074
702-263-7275
FAX 702-263-7200
Billye Sisler, bsisler@pbsj.com 
1618 Overland Drive
Rock Springs, WY 82901
307-382-7526
FAX 307-383-7526
John S. "Stan" McKee, smckee@pbsj.com

 

PEPG, LLC
8805 South Sandy Parkway
Sandy, UT 84070 0
801-562-2521
FAX 801-562-2551
Derrick "Rick" Smith (801-870-8811), rick@pepg.net

Pinyon Environmental, Inc.
3222 S. Vance Street, Suite 200
Lakewood, CO 80227
(303) 980-5200
Karin McShea, McShea@pinyon-env.com

Pioneer Environmental Services
980 West 1800 South
Logan, UT 84321
435-753-0033
Dr. Roy D. Hugie, rjlcj@msn.com

PKM Design Group, Inc.
7353 South Alton Way, Suite A125
Centennial, CO 80112
303-804-0080
Charles Schrader, Ph.D., upstream@pkmdg.com

Plateau Environmental Services
3238 East Fifth Avenue
Durango, CO 81301
970-2479-9200
FAX 970-247-9227
Mike Matheson, P.G., matheson@frontier.net

Project Engineering Consultants
986 West 9000 South
West Jordan, UT 84088
Gail Bellenger, M.A., RPA, Environmental Manager
(801) 858-3334 
http://www.pec.us.com/environmental.html

 Professional Wetlands Consulting, Inc.
20 Rim Road 
Boulder, CO 80302 
303 444-1715 
David Steinmann, caverdave@mindspring.com

Psomas

Santa Ana
3 Hutton Centre Dr, Ste 200
Santa Ana, Ca. 92707
714-481-8019
BBlood@psomas.com
 Roseville
1075 Creekside Ridge Dr Ste 200
Roseville, CA 95678
Los Angeles
555 South Flower St, Ste 4400
Los Angeles, Ca. 90071
San Diego
3111 Camino Del Rio North, Ste 702
San Diego, CA. 92108
Riverside
2010 Iowa Ave, Ste 101
Riverside, CA. 92507
Santa Clarita
28480 Avenue Standford, Ste 200
Santa Clarita, CA. 91355
Tucson
800 E. Wetmore Rd, Ste 110
Tucson, AZ 85719
Salt Lake City
4179 Riverboat Rd, Ste 200
Salt Lake City, UT. 84123

Cameron Park
3377 Coach Lane, Ste K
Cameron Park, CA. 95682
Walnut Creek
165 Lennon Lane, Ste 105
Walnut Creek, CA. 94598
   
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QK (Quad Knopf)
www.quadknopf.com 
5080 California Avenue, Ste 220
Bakersfield, CA 93309
661-835-2600
FAX: 661-616-2600
Becky Smith,  Becky.Smith@qkinc.com
901 E. Main Street
Visalia, CA 93292
559-733-0440
6051 N. Fresno Street, Suite 200
Fresno, CA 93710
559-449-2400 ext. 3044
Curtis.Uptain@qkinc.com
3400 Douglas Boulevard, Suite 190
Roseville, CA 95661
916-784-7823

Queen of the River Fisheries/Aquatic Services
13810 North 115 Street
Longmont, CO 80504
303-651-2514
Brenda L. Mitchell, brenda@qorconsult.com 

Quercus Consultants, Inc. 
1135 Pine Street, Suite 109
Redding, CA 96001
530-241-9750
Fax: 530-241-9751
www.quercus-consultants.com 
Steven Towers, Ph.D. — Principal steven.towers@quercus-consultants.com
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Rangeland Resources
0049 Pinon Drive
Glenwood Springs, CO 81601
970-945-8895
Larry Robinson

Rare Earth Science, LLC
www.rareearthscience.com
844 Grand Avenue
Grand Junction, CO 81501
970-241-1762
James Armstrong
Post Office Box 1245
Paonia, CO 81428
970-527-8445
Dawn Reeder

RBF Consulting
www.rbf.com 
 14725 Alton Parkway
Irvine, CA 92618
949-855-3687
Richard Beck, CEP, CPESC, PWS
Vice President
Planning/Environmental Sciences
rbeck@mbakerintl.com  
6725 Via Austi Parkway, Ste 350
Las Vegas, NV 89119
|949-855-3687
Richard Beck, CEP, CPESC, PWS
Vice President
Planning/Environmental Sciences
rbeck@mbakerintl.com
500 Ygnacio Valley Rd, Ste 270
Walnut Creek, CA 94596-8217
949-330-4297

Lauren Mack
Project Manager
Planning/Environmental Sciences
949-330-4297 lmack@mbakerintl.com

4540 Duckhorn Drive
Suite 202
Sacramento, CA 95834
916-928-2636
Richard Beck, CEP, CPESC, PWS
Vice President
Planning/Environmental Sciences
rbeck@mbakerintl.com

Resource Concepts
340 N. Minnesota Street
Carson City, NV 89703
775-883-1600
www.rci-nv.com 
Marvin Tebeau marvin@rci-nv.com

Restoration Resources
3868 Cincinnati Avenue
Rocklin, CA 96765
916-408-2990
FAX 916-408-2999
www.restoration-resources.net 

Rincon Consultants, Inc.
www.rinconconsultants.com 
1530 Monterey Street, Suite D
San Luis Obispo, CA 93401
805-547-0900
FAX 805-547-0901
Colby J. Boggs, cboggs@rinconconsultants.com
180 North Ashwood Avenue
Ventura, CA 93003
805-644-4455 ext 41
805.644.4240 fax
Steven J. Hongola shongola@rinconconsultants.com
180 Grand Avenue, Suite 400
Oakland, CA 94612
510-834-4455
Fax 510-834-4433
Colby J. Boggs, cboggs@rinconconsultants.com
 5135 Avenida Encinas, Suite A
Carlsbad, California 92008
760-918-9444
Fax 760-918-9449
Jillian S. Bates, jbates@rinconconsultants.com
1485 Spruce Street, Suite D101
Riverside, California 92507
951-782-0061
Fax 951-782-0097
Felicia Griego, fgriego@rinconconsultants.com
437 Figueroa Street, Suite 203
Monterey, CA 93940
831-333-0310
Fax 831-333-0340
Colby J. Boggs, cboggs@rinconconsultants.com


Riverwise Engineering, LLC
3023 E. 4th Ave.
Durango, CO 81301
303-808-7734
Shane Sigle, P.E., Director, shane@riverwise.org

River Restoration
1234 South 900 East, Suite 200
Salt Lake City, Utah 84105
Eric McCulley, Watershed Scientist, cell  208-390-4882, eric.mcculley@riverrestoration.org

RCL Ecology
329 Mt. Palomar Place
Clayton, CA 94517-1639
925-672-0563
FAX 925-672-2559
Randy Long, rcliml@comcast.net

Rocky Mountain Ecological Services, Inc.,
PO Box 833,
Glenwood Springs CO 81602,
970-945-9558,
Cell: 970-309-4454,
Eric Petterson, Principal Ecologist, epetterson@rmes-inc.com

Rocky Mountain Environmental Research
365 North 100 West
Monroe, UT 84754
435-527-3563
Megan Robinson, research@sisna.com

Rocky Mountain Wetland Surveys
4845 Woodbridge Drive, Suite 25
Holladay, UT 84117
801-273-1733
Steve Jensen, sfjensen@co.slc.ut.us

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SAGE Environmental, LLC
807 E. South Temple, Suite 100
Salt Lake City, UT 84102
801-322-2050
Fax: 801-322-2052
Joelle Dickson
www.sage-env.com

Salix Consulting, Inc.
11601 Blocker Drive, Ste. 100
Auburn, CA 95603
530-888-0130 
www.salixinc.com  
Jeff Glazner, jglazner@salixinc.com

Schmid & Company, Incorporated
Consulting Ecologists
1201 Cedar Grove Road
Media, PA 19063-1044
610-356-1416
FAX 610-356-3629
www.schmidco.com 
James A. Schmid, Ph.D., President, jaschmid@aol.com

SCI Engineering, Inc.
www.sciengineering.com
1425 Blue Sky Circle
Suites 15-103
Erie, CO 80516
Phone: 720-660-5792
Mike Hartoin
mhartoin@sciengineering.com

SE Group
PO Box 2729
323 West Main Street Suite 201
Frisco, CO 80443-2729
970-668-3398
FAX 970-668-5798
Travis Beck, tbeck@segroup.com

Sequoia Ecological Consulting, Inc.
319 Diablo Road, Suite 220
Danville, CA 94526
www.sequoiaeco.com
925-855-5500
Debie Montana, dmontana@sequoiaeco.com

SGM www.sgm-inc.com  

118 W. 6th St, Suite 200
Glenwood Springs, CO  81601
970-384-9073
cindya@sgm-inc.com 
555 RiverGate Lane, Suite B4-82
Durango, CO 81301
970-385-2340
FAX 970-385-2341
Dave Mehan, DaveM@sgm-inc.com  
Eric Bikis, EricB@sgm-inc.com 


SHN Engineers & Geologists

812 W. Wabash Ave., Eureka, CA  95501-2138
707-441-8855
goconnell@shn-engr.com

350 Hartnell Avenue, Suite B, Redding, CA  96002
530-221-5424
mchaney@shn-engr.com

335 S. Main St., Willits, CA  95490-3977
707-459-4518
therman@shn-engr.com

PO Box 460
270 Main Street, Suite A, Klamath Falls, OR 97601
541-827-7855
arasmussen@shn-engr.com

275 Market Ave., Coos Bay, OR 97420

541-266-9890  

sdonovan@shn-engr.com


Sierra Ecosystem Associates 
1024 Simon Drive 
P.O. Box 2260
Placerville, CA 95667
www.en2resources.com/
Rick Lind, rick@sierraecos.com

Sierra View Landscape, Incorporated
5729 Manzanita Avenue, #2
Carmichael, CA 95608
916-344-4943
FAX 916-344-4704
Riley Swift

Silva Environmental Services
9112 Bell Drive
Atwater, CA 95301
209-261-3009
Lawrence Silva, SESLR@aol.com 

Sims & Associates
5406 W 11000 North #103-434
Highland, UT 84003
801-999-8294
Anthony Francis,  tony@simsassociates.net

Sisul Engineering
375 Portland Avenue
Gladstone, OR 97027
www.SisulEngineering.com
JohnM@etcEnvironmental.net 

Skenfield, Michael W.
Wetland Consultantant, Professional Wetland Scientist #1027 SWS
Post Office Box 747
Murphys, CA 95247
209-728-3101
FAX 209-728-0376
mwsbio@goldrush.com 

SME Environmental Consultants
679 East 2nd Avenue Unit E2
Durango, CO 81301
970-259-9595
FAX 970-259-0057
Sean Moore, smoore@sme-env.com
www.sme-env.com

Stantec Consulting, Incorporated

2890 East Cottonwood Parkway, Suite 30
Salt Lake City UT 84121-7286
801-617-0090
Whitney McReynolds, PE,801-617-3367, whitney.mcreynolds@stantec.com  
6995 Sierra Center Parkway
Reno NV 89511-2213
775-850-0777
Dave Worley, Biologist, cell 775-530-0763, dave.worley@stantec.com 

Strange Resource Management 
PO Box 129
Wilseyville CA 95257
209-293-3200
cell 209-419-2997
Terry Strange, Principal, strangeaqua@volcano.net 
www.strangeresourcemanagement.com

Stillwater Sciences
707-822-9607 x235
Nancy Stevens, Marketing Coordinator
nstevens@stillwatersci.com

Stratified Environmental & Archaeological Services, LLC
210 Goddard Avenue
P. O. Box 1078
Ignacio, CO 81137-1078
970-563-4615
FAX 970-563-0348
stratifiedenviro@yahoo.com  
Doug Loebig, Principal Investigator/ General Manager

Svoboda Ecological Resources
2477 Shadywood Road, Suite 1000
Excelsior, Minnesota 55331
612-471-1100
FAX 612-471-0007
Franklin J. Svoboda, President/Principal Ecologist

SWALE Inc.
111 Bank Street, #202
Grass Valley, CA 95945
530-559-7823
Kateri Harrison, Ecologist & Planner, kateri@swaleconsultants.com 

SWCA Environental Consultants
www.swca.com 

257 East 200 South, Suite 200
Salt Lake City, UT 84111
801-322-4307
FAX 801-322-4308
Brian Nicholson, info-saltlake@swca.com
7373 Peak Drive Suite 170
Las Vegas, NV 89128
702-248-3880
FAX 702-248-3883
info-lasvegas@swca.com

4221 Northgate Boulevard, Suite 7
Sacramento, CA 95834
916-565-0356
FAX 916-565-0757
Cindy Arrington, info-sacramento@swca.com

295 Interlocken Boulevard, Suite 300
Broomfield, CO 80021
303-487-1183
Larry Semo, info-denver@swca.com
130 Rock Point Dr, Suite A
Durango, CO 81301
(970) 385-1086
info-durango@swca.com
 

Sycamore Associates, LLC
2099 Mt. Diablo Boulevard, Suite 204
Walnut Creek, CA 94596
925-279-0580
FAX 925-279-0581
Marylee Guinon, Principal, syc@pacbell.net 

Sycamore Environmental Consultants, Incorporated
6355 Riverside Boulevard, Suite C
Sacramento, CA 95831
916-427-0703
FAX 916-427-2175
R. John Little, Ph.D., President, John.Little@SycamoreEnv.com 

Symbiotics Energy LLC
975 South State Highway
Logan, UT 84321
Ph 435-752-2580
Justin Barker, Biologist/Director Renewable Hydro-Electric Power, justin-barker@symbioticsenergy.com

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Teaford, J.W. & Company
1821 Country Club Road
Eufaula, Alabama 36072
334-688-5005
FAX 334-688-5010
wetlandnotes.com 
Jim Teaford, jwteaford@wetlandnotes.com

TEC Inc.
www.tecinc.com
1658 Cole Blvd., Suite 190
Golden, CO 80401
303-273-0231
Cell: 860-895-7355
Brian T. Hoffmann, Senior Wildlife/Wetlands Biologist, bthoffmann@tecinc.com 

Ted Winfield & Associates
1455 Wagoner Drive
Livermore, CA 94550
925-371-6379 (office)
925-980-7787 (cell)
Ted P. Winfield, Ph.D.

Tehama Environmental Solutions, Incorporated
910 Main Street, Suite D
Red Bluff, CA 96080
530-528-8272
FAX 530-528-8275
Jeff Souza, President, jeff@tehamaenvironmental.com

The Terra Firm
Chris Hazen
PO Box 362
Telluride, CO 81435
970-708-1221
chrishazen@gmail.com

Tetra Tech, Complex Worl, Clear Solutions
136 East South Temple, Suite 910
Salt Lake City, UT 84111
www.tetratech.com
801-364-1064 ex.207|
Cell: 801-244-7525 
FAX: 801-364-2021
Michele R. Weidner, Project Manager/Vegetation Ecologist, michele.weidner@tetratech.com  

Tetra Tech, Incorporated
555 Market St., 15th Floor
San Francisco, CA 94105
415.974.1221
Fax 415.974.5914
Shannon Lindquist

Tetra Tech, EMI
2969 Prospect Park Drive, Suite 100
Rancho Cordova, CA 95670
916-853-4506
Steve Krueger, PE, Steve.krueger@tetratech.com 

Three Parameters Plus, Inc. 

7968 Del Fuego Drive
Sparks, NV 89436
Office 775-425-1209
FAX 775-425-1209
Cell 775-232-1571  
 344 W 285 N
Wellsville, UT 84339
Office 435-554-3110
Cell 435-512-9858
FAX 866-299-1343

TKDA
685 E. Carnegie Drive, Suite 105
San Bernardino CA 92408
909-332-6011
tkda.com 
Lisa Patterson, lisa.patterson@tkda.com Mobile 909-838-1333

Transcon Environmental, Inc.
528 Washington Street
Ferndale, CA 95536
Office: 707-786-6499
Benjamin Lardiere, Senior Biologist, Mobile: 928-210-9399, blardiere@transcon.com
http://www.transcon.com

TRC
http://www.trcsolutions.com/Pages/default.aspx 
10680 White Rock Road, Suite 100
Rancho Cordova, CA 95670
916-366-0632
Fax: 916-366-1501
C: 916.956.9214
Mike Farmer, Senior Project Manager, MFarmer@trcsolutions.com 

Terracon 
3140 Gold Camp Drive, Ste. 170
Rancho Cordova, CA 95670
916-858-1579 
www.terracon.com
Carl Parten, Office Manager, caparten@terracon.com 

TRTech, Incorporated
Post Office Box 7
Farmington, UT 84025
801-451-9714
FAX 801-451-9715
Ted Thatcher, anfanger@juno.com 

Two Dot Consulting LLC
2810 North Speer Blvd.
Denver, CO 80211
Contacts: Greg Everett – 720-496-8766, everett@2dot-consulting.com
Russell Beam – 303-249-2051, beam@2dot-consulting.com
Company website: www.2dotconsulting.com

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Universal Ensco, Inc.
20 Greenway Plaza Suite 500
Houston, TX 77046
Main 713-977-7770
Fax 832-553-7640
www.universalensco.com  
Jeffrey Richards, Senior Environmental Specialist, Jeffrey.richards@universalensco.com 

URS Corporation
211 Rock Point Drive
Durango, CO 81301
970-375-7767
J. Peter Jensen, james.p.jensen@urs.com
Eric Petterson, eric.petterson@urs.com  

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Walsh Environmental Scientists & Engineers, LLC
4888 Pearl East Circle, Suite 108
Boulder, CO 80301-2475
303-443-3282 Boulder office
720-308-7840 Direct
www.walshenv.com
Julie E. Ash, P.E., jeash@walshenv.com

WATER RESOURCE CONSULTANTS, LLC
244 Hutton Ave.
Rifle, CO 81650
970-625-5433
www.wrc-llc.com
Paul C. Currier, P.E., CFM, Principal, pcurrier@wrc-llc.com

Watershed Environmental Consultants, Incorporated
PO Box 3722
Eagle, CO 81631
970-328-4364
Daiva Katieb, daiva.wec@centurytel.net

WESTECH Environmental Services, Inc.
P.O. Box 6045
Helena, Montana 59604
406-442-0950
John Beaver, jbeaver@westech-environmental.com

WestWater Engineering
2516 Foresight Circle, #1
Grand Junction, CO 81505
970-241-7076 FAX 970-241-7097
Michael Klish,  mwk@westwaterco.com 
Brett F. Fletcher bff@westwaterco.com Cell 970-623-3728

Paul West
Wetlands/Environmental Biologist
2478 West Long Meadow Drive
West Jordan, UT 84084
801-966-0063
genismylife@earthlink.net

WESTECH Environmental Services, Incorporated
PO Box 6045
Helena, Montana 59604
406-442-0950
FAX 406-442-9205
Dean Culwell, dculwell@mt.net

WESTECH Environmental Services, Inc.
3005 Airport Road
Helena, MT 59604
406-461-5593
Corey Baker, cbaker@westech-env.com

Westervelt Ecological Services
600 North Market Blvd., Suite 3
Sacramento, CA 95834
916-646-3644
wesmitigation.com
Travis Hemmen, themmen@westervelt.com

Western Bionomics, LLC
31040 Willow Lane
Steamboat Springs, CO 80487
970-846-8223 or Bob Magnuson
Kelly Colfer, kscolfer@westernbionomics.com

Western Ecological Resource, Incorporated
711 Walnut Street
Boulder, CO 80302
303-449-9009
David Johnson

Western Stream Works, LLC
Post Office Box 301
Ridgway, CO 81432
970-708-2139
970-325-4407
www.westernstreamworks.com
Bill Coughlin, billcoughlin@westernstreamworks.com

West Water Engineering
2516 Foresight Circle, #1
Grand Junction, CO 81505
970-241-7076
Michael Klish

Wetland Resources
182 East 300 North
Logan, UT 84321
435-753-4517
www.wetlandresources.net
Todd Sherman, Wetland Ecologist, Professional Wetland Scientist #1345, todd@wetlandresources.net

Wetland Science Applications, Inc.
171 Golden Drive
Briggsville, WI 53920
608-981-2150
Charles J. Newling, PWS, CWB, Senior Wetland Ecologist , c.j.newling@att.net  

White Horse Associates
140 North Main
Post Office Box 123
Smithfield, UT 84335
435-563-0123
FAX 435-563-0321
Sherman Jensen, shermjensen@sisna.com

Wildland Hydrology INC
11210 N County Road 19
Fort Collins CO 80524
970-568-0002 
Wildland@wildlandhydrology.com
wildlandhydrology.com
Dave Rosgen, Brandon Rosgen

Winzler & Kelly
633 Third Street
Eureka, CA 95501
707-443-8326
Misha Schwarz, Environmental Scientist

Wise Earth Concepts, Inc.
Post Office Box 980994
Park City, UT 84098
435-901-1079
Harriet Natter, WiseEarth@msn.com 

Wood Rodgers, Incorporated
3301 C Street, Building 100-B
Sacramento, CA 95816
916-341-7760
FAX 916-341-7767
www.woodrodgers.com 
Tina S. Chan-Cooper

Woodward-Clyde
1615 Murray Canyon Road, Suite 1000
San Diego, CA 92108
619-294-9400
FAX 619-293-7920
William P. Magdych

WRA, Inc.
www.wra-ca.com
2169-G E. Francisco Blvd
San Rafael, CA 94901 
Liz Agraz, Marketing Director, agraz@wra-ca.com

Wright Waters Engineers

2490 West 26th Avenue, Suite 100A
Denver, CO 80211
303-480-1700 
1666 North Main Avenue, Suite C
Durango, CO 81301
970-259-7411
818 Colorado Avenue
Glenwood Springs, CO 81602
970-945-7755
Jonathan Kelly

www.etcEnvironmental.net 
www.etcEnvironmental.net    www.SisulEngineering.com
John McConnaughey, M.S., Fisheries Biologist, Professional Wetland Scientist , PWS #2009, JohnM@etcEnvironmental.net

 

Washington Address
PO Box 821185
Vancouver, WA 98682.
360-696-4403  FAX: 503-657-5779
Oregon Address
375 Portland Ave
Gladstone, OR 97027.
503-657-2815
FAX: 503-657-5779

WP Natural Resource Consulting, Inc.
PO Box 520604
Salt Lake City, UT 84152
801-699-5459,
Minday Wheeler, Principal Ecologist, wheelermindy@yahoo.com

www.WetlandServices.com
475 Noonan Ranch Lane
Santa Rosa, CA 95403
707-569-9404
FAX 707-569-9488
www.WetlandServices.com
Nathan Botwinik

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Zander Associates
4460 Redwood Hwy, Suite 16-240
San Rafael, CA 94903
415-897-8781
FAX 415- 814-4125
Michael Zander, Principal, mzander@zanderassociates.com 

Zentner and Zentner
95 Linden Street, Suite 6
Oakland, CA 94607
510-622-8110
John Zentner, johnz@zentner.com