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Geotechnical Firms


Last updated: 1/31/2010

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

 

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

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

425-649-8757

 

C & R

GeoDesign Inc
10700 Meridian Avenue North, Suite 210
Seattle, WA 98133

206-838-9900

www.geodesigninc.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
21312 30th Drive SE, Ste. 110
Bothell, WA 98021

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
14710 NE 87th Street, Ste. 100
Redmond, WA 98052

425-636-7900

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

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

Robinson Noble
17625 130th Ave. NE, C-102
Woodinville, WA 98072

425-844-1977

www.robinson-noble.com

  C & R

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

   G


R=Residential
C=Commercial

G=Government



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