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)
3145
COFFMAN ENGINEERS, INC.
1101 2nd Avenue, Suite 400
SEATTLE
WA
98101
09/30/25
3704
SCHWEITZER ENGINEERING LABORATORIES, INC.
2350 NE HOPKINS COURT
PULLMAN
WA
99163
09/30/26
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
09/30/26
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
09/30/25
4907
3P Certz
14090 FRYELANDS BLVD SE, STE 230
Monroe
WA
98272
09/30/25
5561
Art Anderson Associates, Inc
830 Pacific Ave, Ste 200
Bremerton
WA
98337
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
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
5612
CAYLEY AEROSPACE INC
18830,38th Ave W
LYNNWOOD
WA
98037
09/30/26
4684
EnSave
65 Millet Street
Richmond
VT
05477
09/30/25
56
DEWBERRY ENGINEERS INC.
8401 ARLINGTON BLVD.
FAIRFAX
VA
22031
09/30/25
403
WILEY & WILSON, INC.
127 Nationwide Drive
LYNCHBURG
VA
24502
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
09/30/26
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
09/30/26
881
GHT LIMITED
1110 N. GLEBE ROAD SUITE 300
ARLINGTON
VA
22201
09/30/25
2874
Setty & Associates, Ltd.
3040 Williams Drive Suite 600
Fairfax
VA
22031
09/30/25
3019
Geoquest USA, Inc.
45610 Woodland Road, Suite 200
Sterling
VA
20166
09/30/25
2574
REID ENGINEERING COMPANY, INC.
1210 PRINCESS ANNE STREET
FREDERICKSBURG
VA
22401
09/30/26
3266
INFRAMAP CORP.
10365 S. CEDAR LANE
GLEN ALLEN
VA
23059
09/30/26