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)
4167 Interface Engineering, Inc. 100 SW Main Street, Ste 1600 Portland OR 97204 09/30/25
4651 PSE Consulting Engineers, Inc 250 Main St, Suite A Klamath Falls OR 97601 09/30/25
4347 Alta Planning & Design, Inc 711 SE Grand Ave Portland OR 97214 09/30/25
4404 MSC Engineers, Inc. 3470 Pipebend Pl NE, Suite 120 Salem OR 97301 09/30/25
4406 SFA Design Group 12112 SW Garden Pl Portland OR 97223 09/30/25
4788 Mackenzie Engineering Inc. 1515 SE Water Ave #100 Portland OR 97214 09/30/25
4852 TJP Inc. 56880 Venture Ln, Suite 205N Bend OR 97707 09/30/25
5058 STRUX Engineering LLC 209 N. McHaley Ave Prairie City OR 97869 09/30/25
5119 Inter-Fluve 501 Portway Avenue, Suite 101 Hood River OR 97031 09/30/25
5377 Allstructure Engineering, LLC 16535 SW 72nd Ave Portland OR 97224 09/30/25
5446 Froelich Engineers, Inc. 17700 SW Upper Boones Ferry Rd Portland OR 97224 09/30/25
3279 JOSEPH B. CALLAGHAN, INC. 1617 John F. Kennedy Blvd. Suite 1260 Philadelphia PA 19103 09/30/25
3299 Drive Engineering Corp 1936 West Point Pike Lansdale PA 19446 09/30/25
2634 Larsen & Landis, Inc. 11 W Thompson Street Philadelphia PA 19125 09/30/25
2553 RING CONSULTING GROUP, P.C. 512 West Third Street Lansdale PA 19446 09/30/25
2493 MAIDA ENGINEERING, INC. 1100 McKean Street Philadelphia PA 19148 09/30/25
381 CONSTRUCTION METHODS & COORDINATION, INC. D/B/A CMC ENGINEERING, P.O. BOX 958 KIMBERTON PA 19442 09/30/25
2849 SCHILLER AND HERSH ASSOCIATES, INC. 636 Skippack Pike, Suite 200 Blue Bell PA 19422 09/30/25
2968 GEOSTRUCTURES, INC. 1000 West 9th Ave STE B King of Prussia PA 19406 09/30/25
3281 BUSTAMANTE ENGINEERS, INC. 875 N. EASTON RD, 3B DOYLESTOWN PA 18902 09/30/25
2905 Professional Systems Engineering, LLC 100 W. Main St., Suite 400 Lansdale PA 19446 09/30/25
1085 BARTON ASSOCIATES, INC. 221 WEST PHILADELPHIA STREET, North Building YORK PA 17401 09/30/25
798 ELTON & THOMPSON, P.C. 100 W. Main Street, Suite 365 LANSDALE PA 19446 09/30/25
3321 NAVARRO & WRIGHT CONSULTING ENGINEERS, INC. 151 RENO AVENUE NEW CUMBERLAND PA 17070 09/30/25
691 TREFZ ENGINEERING, INC. 601 DRESHER ROAD, SUITE 275 HORSHAM PA 19044 09/30/25