GEOTECHNICAL FIRMS


Last updated: 10/01/2008

Please contact Webmaster to have your firm's listing updated.
Please Email firm name, address, contact, web site address, and office telephone.

FIRM

TEL.

WEBSITE

SERVICES

Alkai Consulting
9465 Provost Rd. NW, Ste. 202
Silverdale, WA 98383

360-613-2407 www.alkai.net
C

AMEC Earth & Environmental
11810 North Creek Parkway North
Bothell, WA 98011

425-368-1000 www.amec.com
C

Anchor Environmental
1423 3rd Ave., Ste. 300
Seattle, WA 98101

206-287-9130 www.anchorenv.com
C

Apollo Geophysics
314 E. Holly St., Ste. 207
Bellingham, WA 98225

206-647-8303 www.apollogeophysics.com
C

Aspect Consulting
179 Madronne Ln. N
Bainbridge Island, WA

260-780-9370 www.aspectconsulting.com
C & R

Associated Earth Sciences
911 Fifth Ave., Ste. 100
Kirkland, WA 98033

425-827-7701 www.aesgeo.com
C & R

Aziz Engineering NW
PO Box 2758
Redmond, WA 98073

425-898-1007   
C & R

Ben C. Gerwick, Inc.
200 West Mercer Street, E 506
Seattle, WA 98119

206- 588 2735 www.gerwick.com C

Bergquist Engineering Services
PO Box 13309
Des Moines, WA 98198

253-941-9399   
C & R

CDM
11811 NE 1st St., Ste. 201
Bellevue, WA 98005

425-453-8383 www.cdm.com
C

CH2M Hill
1100 112th Ave., NE, Ste. 400
Bellevue, WA 98004

425-453-5000 www.ch2m.com
C

Core Design
14711 NE 29th Pl., Ste. 101
Bellevue, WA 98007

425-885-7877 www.anchorenv.com
C

Cornerstone Geotechnical
17625 130th Ave. NE, C-102
Woodinville, WA 98072

425-844-1977 www.cornerstonegeotechnical.com
C & R

Creative Engineering Options
5418 159th Pl. NE
Redmond, WA 98052

425-883-6889   
C & R

E3RA
9802 29th Ave. W. Ste. B102
Everett, WA 98204

425-356-3372 www.e3ra.com
C & R

Earth Consulting Inc.

1805 136th Pl. NE, Ste. 201
Bellevue, WA 98005

425-643-3780

www.eci-mti.com

C & R

EnviroSound Consulting
10765 - 221st Ln. NE
Redmond, WA 98053

360-698-5950 www.EnviroSound.net
C & R

EnviroSound Consulting
9339 Bayshore Dr. NW
Silverdale, WA 98383

360-698-5950 www.EnviroSound.net
C & R

Geo Group Northwest
13240 NE 20th St., Ste. 10
Bellevue, WA 98005

425-649-8757   

www.geogroupnw.com

C & R

GeoEngineers
8410 154th Ave. NE
Redmond, WA 98052

425-861-6000 www.geoengineers.com
C & R

GeoMetron Inc PS
16483 SE 57th PL
Bellevue, WA 98006

425-746-9577  
C & G

Geospectrum Consultants
PO Box 276
Issaquah, WA 98027

425-391-4228   
C

Geotech Consultants
13256 NE 20th St., Ste. 16
Bellevue, WA 98005

425-747-5618 www.geotechnw.com
C & R

GN Northern
722 North 16th Ave., Ste. 31
Yakima, WA 98902

509-248-9798 www.gnnorthern.com
C

Golder Associates
18300 NE Union Hill Rd., Ste. 200
Redmond, WA 98052

425-883-0777 www.golder.com
C

GZA Geoenvironmental
3139 240th Ave NE
Sammamish, WA 98074

425-898-0210 www.gza.com
C

Hart Crowser
1700 Westlake Ave. N, Ste. 200
Seattle, WA 98109

206-324-9530 www.hartcrowser.com
C & R

HWA GeoSciences
19730 64th Ave. W, Ste. 200
Lynnwood, WA 98036

425-774-0106 www.hwageo.com
C & R

Icicle Creek Engineers
230 NE Juniper St., Ste. 101
Issaquah, WA 98027

425-427-8187 www.iciclecreekengineers.com
C

Jacobs Associates
1109 First Ave., Ste 501

Seattle, WA 98101

206-588-8200 www.jacobssf.com
C

J. Keith Cross, P.E.
6358 121st Avenue SE
Bellevue, WA 98006

425-747-2150  
C & R

Kleinfelder
2405 140th Ave. NE, Ste. A101
Bellevue, WA 98005

425-562-4200 www.kleinfelder.com
C

Krazan Geotechnical
11715 North Creek Pkwy S., Ste. C106
Bothell, WA 98011

425-485-5519 www.krazan.com
C & R

LACHEL FELICE & Associates
11411 NE 124th St., Ste. 275
Kirkland, WA 98034

425-820-0800 www.lachel.com
C

Landau Associates
130 2nd Ave. S
Edmonds, WA 98020

425-778-0907 www.landauinc.com
C & R

Liu and Associates
19213 Kenlake Pl. NE
Seattle, WA 98155

425-483-9134   
C

Lorilla Engineering
777 Chrysler Drive
Seattle, WA 98146

206-241-7287   
C

Materials Testing & Consulting, Inc. (MTC)
777 Chrysler Drive
Burlington, WA 98233

360-755-1990 www.mtc-inc.net
C

Myers Biodynamics
11254 Sunrise Dr.
Bainbridge Island, WA 98110

206-842-6073   
C

Nelson Geotechnical Assoc.
17311 135th Ave. NE, Ste. A-500
Woodinville, WA 98072

425-486-1669 www.nelsongeotech.com
C

Northwest Cone Exploration
6232 195th Ave. SE
Snohomish, WA 98290

360-568-2807   
C

Otto Rosenau & Associates
6747 M.L.K. Way S
Seattle, WA 98118

206-725-4600 www.ottorosenau.com
C & R

PacRim Geotechnical
10700 Meridian Ave. N, Ste. 210
Seattle, WA 98133

206-365-8770 www.pacrimgeo.com
C

PanGEO
3414 NE 55th St.
Seattle, WA 98501

206-262-0370 www.pangeoinc.com
C & R

Perrone Consulting
11220 Fieldstone Ln. NE
Bainbridge Island, WA 98110

206-778-8074 www.perroneconsulting.com
C

PSI
24113 56th Ave. W
Seattle, WA 98043

425-248-2400 www.psiusa.com
C

The Riley Group
17522 Bothell Way NE
Bothell, WA 98011

425-415-0551 www.riley-group.com
C

Shannon & Wilson
400 N 34th St., Ste. 100
Seattle, WA 98103

206-632-8020 www.shannonwilson.com
C & R

Sub Terra
218 E. North Bend Way
North Bend, WA 98045

425-888-5425 www.subterra.us
C

Terra Associates
12525 Willows Rd., Ste. 101
Kirkland, WA 98034

425-821-7777   
C

Terracon
18905 33rd Ave. W, Ste. 117
Lynnwood, WA 98036

425-771-3304 www.terracon.com
C & R

Tubbs Geosciences
7505 W. Lk. Sammamish Pkwy. NE
Redmond, WA 98052

425-882-4850 www.tubbs.com
C & R

URS Corporation
1501 4th Ave., Ste. 1400
Seattle, WA 98101

206-438-2345 www.urscorp.com
C

City of Seattle Materials Laboratory

707 S. Plummer St

Seattle, WA  98134

206-233-2540

www.cityofseattle.gov

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R=Residential
C=Commercial

G=Government