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Firm
License
Firm Name Address City State Zip Expiration Date
(mm/yy)
3704 SCHWEITZER ENGINEERING LABORATORIES, INC. 2350 NE HOPKINS COURT PULLMAN WA 99163 09/30/25
4220 SEL Engineering Services, Inc. 2350 NE Hopkins Court Pullman WA 99163 09/30/25
5351 Casper, Phillips and Associates, Inc. P.C. 6830 19th St W University Place WA 98466 09/30/25
5354 Gravitec Systems Inc. 21291 Urdahl Road NW Poulsbo WA 98370 09/30/25
4907 3P Certz 14090 FRYELANDS BLVD SE, STE 230 Monroe WA 98272 09/30/25
5312 Elliott Bay Design Group LLC PO Box 45790 Seattle WA 98145 09/30/25
5534 JACOBS ASSOCIATES dba Delve Underground 1011 Western Ave, Suite 706 SEATTLE WA 98104 09/30/25
4696 RDH Building Science Inc. 2101 N. 34th St. Ste. 150 Seattle WA 98103 09/30/25
2416 HARGIS ENGINEERS, INC. 1201 THIRD AVENUE, SU. 600 SEATTLE WA 98101 09/30/25
4387 D'Amato, Conversano, Inc. P.C. dba DCI Engineers 818 Stewart Street, Suite 1000 Seattle WA 98101 09/30/25
3145 COFFMAN ENGINEERS, INC. 1101 2nd Avenue, Suite 400 SEATTLE WA 98101 09/30/25
4121 Anchor QEA, LLC 1201 3rd Avenue, Ste 2600 Seattle WA 98101 09/30/25
4454 KPFF, Inc. 1601 5th Ave, Ste 1300 Seattle WA 98101 09/30/25
5166 Quantum Consulting Engineers 1511 3RD AVE Suite 323 Seattle WA 98101 09/30/25
5543 LAND DEVELOPMENT CONSULTANTS, INC. 20210 142ND AVE NE WOODINVILLE WA 98072 09/30/25
2431 T.E., INC. 830 N. RIVERSIDE DR. SU. 200 RENTON WA 98057 09/30/25
4839 GeoEngineers, Inc 17425 NE Union Hill Rd, Suite 250 Redmond WA 98052 09/30/25
5012 Engineers Northwest, Inc, P.S. 19020 33rd Ave. W, Suite 530 Lynnwood WA 98036 09/30/25
5182 SLR International Corporation 22118 20th Ave. SE, Bldg G, Ste. 202 Bothell WA 98021 09/30/25
2999 Armour Unsderfer Engineering Inc. P.S. 13228 NE 20th Street, No.100 Bellevue WA 98005 09/30/25
5058 STRUX Engineering LLC 209 N. McHaley Ave Prairie City OR 97869 09/30/25
4852 TJP Inc. 56880 Venture Ln, Suite 205N Bend OR 97707 09/30/25
4651 PSE Consulting Engineers, Inc 250 Main St, Suite A Klamath Falls OR 97601 09/30/25
3071 ALLIANCE ENGINEERING OF OREGON, INC. 2700 MARKET ST., NE SALEM OR 97301 09/30/25
4404 MSC Engineers, Inc. 3470 Pipebend Pl NE, Suite 120 Salem OR 97301 09/30/25