Registered Agencies


(click on agency name for registration information)

Company Name Location
A. A. R. Testing Laboratory, Inc. Redmond, Washington
ACS Testing, Inc Tigard, Oregon
Allwest Testing Spokane, Washington
Budinger & Associates Spokane, Washington
Carlson Testing, Inc. Tigard, Oregon
Cascade Testing Laboratory, Inc. Kirkland, Washington
Columbia West Engineering, Inc. Vancouver, Washington
Construction Testing Laboratories, Inc. Tacoma, Washington
Geo Engineers, Inc. Spokane, Washington
GeoTest Services, Inc Bellingham, Washington
GeoTest Services, Inc. Arlington, Washington
Hayre McElroy & Assoc. Redmond, Washington
King County DOT Road Services Division Renton, Washington
Kleinfelder Redmond, Washington
Krazan and Associates Bothell, Washington
Krazan and Associates Poulsbo, Washington
Krazan and Associates Puyallup, Washington
Materials Testing & Consulting Bellingham, Washington
Materials Testing & Consulting Burlington, Washington
Materials Testing & Consulting Olympia, Washington
Materials Testing and Inspection Boise, Idaho
Mayes Testing Engineers, Inc. Lynnwood, Washington
Mayes Testing Engineers, Inc. Portland, Oregon
Mayes Testing Engineers, Inc. Tacoma, Washington
Northwest Geotech, Inc. Wilsonville, Oregon
Otto Rosenau & Associates, Inc. Seattle, Washington
Pacific Testing & Inspection Centralia, Washington
Professional Services Industries, Inc. Mountlake Terrace, Washington
Professional Services Industries, Inc. Portland, Oregon
Professional Services Industries, Inc. Tacoma, Washington
STRATA Spokane, Washington
Terracon  Redmond, Washington 

** Denotes Agency Registration is NOT current.