DELAWARE ASSOCIATION OF PROFESSIONAL ENGINEERS
92 Read's Way, Suite 208
New Castle, DE 19720
Phone: 302-323-4588
Email: office@dape.org
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Firm
License		 Firm Name Address City State Zip Expiration Date
(mm/yy)
2999 Armour Unsderfer Engineering Inc. P.S. 13228 NE 20th Street, No.100 Bellevue WA 98005 09/30/25
2431 T.E., INC. 830 N. RIVERSIDE DR. SU. 200 RENTON WA 98057 09/30/25
3704 SCHWEITZER ENGINEERING LABORATORIES, INC. 2350 NE HOPKINS COURT PULLMAN WA 99163 09/30/24
4839 GeoEngineers, Inc 17425 NE Union Hill Rd, Suite 250 Redmond WA 98052 09/30/25
4121 Anchor QEA, LLC 1201 3rd Avenue, Ste 2600 Seattle WA 98101 09/30/24
4220 SEL Engineering Services, Inc. 2350 NE Hopkins Court Pullman WA 99163 09/30/25
5543 LAND DEVELOPMENT CONSULTANTS, INC. 20210 142ND AVE NE WOODINVILLE WA 98072 09/30/25
4696 RDH Building Science Inc. 2101 N. 34th St. Ste. 150 Seattle WA 98103 09/30/24
4907 3P Certz 14090 FRYELANDS BLVD SE, STE 230 Monroe WA 98272 09/30/25
5012 Engineers Northwest, Inc, P.S. 19020 33rd Ave. W, Suite 530 Lynnwood WA 98036 09/30/25
5166 Quantum Consulting Engineers 1511 3RD AVE Suite 323 Seattle WA 98101 09/30/25
5182 SLR International Corporation 22118 20th Ave. SE, Bldg G, Ste. 202 Bothell WA 98021 09/30/25
5312 Elliott Bay Design Group LLC PO Box 45790 Seattle WA 98145 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
5534 JACOBS ASSOCIATES dba Delve Underground 1011 Western Ave, Suite 706 SEATTLE WA 98104 09/30/25
4684 EnSave 65 Millet Street Richmond VT 05477 09/30/24
56 DEWBERRY ENGINEERS INC. 8401 ARLINGTON BLVD. FAIRFAX VA 22031 09/30/25
2438 ALLIANCE STRUCTURAL ENGINEERS, INC. 12355 SUNRISE VALLEY DR., SU. 220 Reston VA 20191 09/30/25
3048 SCHNABEL ENGINEERING, LLC 10900 Nuckols Road Suite 210 Glen Allen VA 23060 09/30/25
3020 BOHLER ENGINEERING VA LLC 12825 Worldgate Drive Ste 600 Herndon VA 20170 09/30/25
2491 ECS-MID-ATLANTIC, LLC 14030 Thunderbolt Place, Suite 900 Chantilly VA 20151 09/30/25
201 SCS ENGINEERS 1881 CAMPUS COMMONS DR., SUITE 450 RESTON VA 20191 09/30/25
669 RDM INTERNATIONAL, INC. 43671 Trade Center Pl., Suite 130 Sterling VA 20166-2118 09/30/25
881 GHT LIMITED 1110 N. GLEBE ROAD SUITE 300 ARLINGTON VA 22201 09/30/24