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)
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
266 ARRO CONSULTING, INC. 108 W. AIRPORT ROAD LITITZ PA 17543 09/30/25
2615 WILKINSON & ASSOCIATES INC. 1220 VALLEY FORGE RD., STE. 22 PHOENIXVILLE PA 19460 09/30/25
3339 DUTCHLAND, Inc. 160 Route 41 GAP PA 17527 09/30/25
2790 DIMITRI J. VERVERELLI, INC. 211 NORTH 13TH STREET PHILADELPHIA PA 19107 09/30/25
3331 PANY & LENTZ ENGINEERING COMPANY 609 HAMILTON STREET ALLENTOWN PA 18101 09/30/25
2356 MULHERN CONSULTING ENGINEERS & ASSOC., INC. 321 SOUTH YORK ROAD HATBORO PA 19040 09/30/25
2124 ARM GROUP INC. 1129 WEST GOVERNOR ROAD P.O. BOX 797 HERSHEY PA 17033 09/30/25
3907 Bohler Engineering PA, LLC 1600 Manor Drive Ste 200 Chalfont PA 18914 09/30/25
2404 ESE CONSULTANTS, INC. 1140 Virginia Drive/JHeverly Fort Washington PA 19034 09/30/25
3080 MELIORA ENVIRONMENTAL DESIGN, LLC 259 MORGAN STREET PHOENIXVILLE PA 19460 09/30/25
2048 ORNDORF & ASSOCIATES, INC. 8600 W CHESTER PIKE STE 201, Suite 201 Upper Darby PA 19082 09/30/25