DELAWARE ASSOCIATION OF PROFESSIONAL ENGINEERS
92 Read's Way, Suite 208
New Castle, DE 19720
Phone: 302-323-4588
Email: office@dape.org
Certificate Authorization
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Firm
License		 Firm Name Address City State Zip Expiration Date
(mm/yy)
493 MICHAEL MARIS ASSOCIATES, INC. 716 Windswept Lane Franklin Lakes NJ 07417 09/30/25
494 HDR ENGINEERING, INC. 1917 S. 67th Street Omaha NE 68106 09/30/25
520 JOHN D. HYNES & ASSOCIATES, INC. 32185 BEAVER RUN DRIVE SALISBURY MD 21804 09/30/25
522 PENNONI ASSOCIATES, INC. 1900 Market Sreet, Suite 300 PHILADELPHIA PA 19103 09/30/25
523 UNDERGROUND SERVICES, INC. 24 HAGERTY BOULEVARD SUITE #11 WEST CHESTER PA 19382 09/30/25
524 PROFESSIONAL SERVICE INDUSTRIES, INC. 545 E. Algonquin Rd. Arlington Heights IL 60005 09/30/25
525 DIAMOND ELECTRIC, INC. 3566 PEACHTREE RUN DOVER DE 19901 09/30/25
546 THE WILSON T. BALLARD COMPANY 17 GWYNNS MILL COURT OWINGS MILLS MD 21117 09/30/26
547 ATKINSREALIS USA INC 4030 West Boy Scout Blvd. Su. 700 Tampa FL 33607 09/30/25
553 GFT Infrastructure, Inc. 300 Sterling Parkway, Suite 300 Mechanicsburg PA 17050 09/30/26
585 CARROLL ENGINEERING CORPORATION 949 EASTON ROAD WARRINGTON PA 18976 09/30/25
593 THE STELLAR GROUP, INC. 2900 HARTLEY ROAD JACKSONVILLE FL 32257 09/30/25
600 GEORGE E. YOUNG, III, P.C. 1504 MARKET STREET POCOMOKE MD 21851 09/30/25
619 EBA ENGINEERING, INC. 6100 Chevy Chase Drive, Ste. 200 Laurel MD 20707 09/30/25
623 CITADEL ENGINEERING INC. 17129 WEBBS ROAD ELLENDALE DE 19941 09/30/26
635 PENNELL & WILTBERGER INC. 115 West Avenue, Suite 300 Jenkintown PA 19046 09/30/26
636 NUTEC DESIGN ASSOCIATES, INC. 3501 CONCORD ROAD STE 150 YORK PA 17402 09/30/25
659 GEO TECHNOLOGY ASSOCIATES, INC. 3445-A BOX HILL CORP CTR DR ABINGDON MD 21009 09/30/25
666 SKARDA & ASSOCIATES, INC. 2439 N. CHARLES STREET BALTIMORE MD 21218 09/30/26
669 RDM INTERNATIONAL, INC. 43671 Trade Center Pl., Suite 130 Sterling VA 20166-2118 09/30/26
672 CONSULTING ENGINEER SERVICES INC. 645 BERLIN-CROSS KEYS RD., SU. 1 SICKLERVILLE NJ 08081 09/30/26
683 SNYDER HOFFMAN ASSOCIATES 1005 W. LEHIGH STREET BETHLEHEM PA 18018 09/30/25
686 GIBBENS DRAKE SCOTT, INC. 9201 E. 63RD STREET, SUITE 100 RAYTOWN MO 64133 09/30/25
689 FRENCH & PARRELLO ASSOCIATES, PA 1800 ROUTE 34, SUITE 101 WALL NJ 07719 09/30/25
691 TREFZ ENGINEERING, INC. 601 DRESHER ROAD, SUITE 275 HORSHAM PA 19044 09/30/25