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Firm
License
Firm Name Address City State Zip Expiration Date
(mm/yy)
691 TREFZ ENGINEERING, INC. 601 DRESHER ROAD, SUITE 275 HORSHAM PA 19044 09/30/25
689 FRENCH & PARRELLO ASSOCIATES, PA 1800 ROUTE 34, SUITE 101 WALL NJ 07719 09/30/25
686 GIBBENS DRAKE SCOTT, INC. 9201 E. 63RD STREET, SUITE 100 RAYTOWN MO 64133 09/30/25
683 SNYDER HOFFMAN ASSOCIATES 1005 W. LEHIGH STREET BETHLEHEM PA 18018 09/30/25
672 CONSULTING ENGINEER SERVICES INC. 645 BERLIN-CROSS KEYS RD., SU. 1 SICKLERVILLE NJ 08081 09/30/25
669 RDM INTERNATIONAL, INC. 43671 Trade Center Pl., Suite 130 Sterling VA 20166-2118 09/30/25
666 SKARDA & ASSOCIATES, INC. 2439 N. CHARLES STREET BALTIMORE MD 21218 09/30/25
659 GEO TECHNOLOGY ASSOCIATES, INC. 3445-A BOX HILL CORP CTR DR ABINGDON MD 21009 09/30/25
648 W F CONSULTING, INC. P.O. BOX 9817 NEWARK DE 19714-9817 09/30/25
641 STV INCORPORATED 350 Fifth Avenue, Floor 10 New York NY 10118 09/30/25
636 NUTEC DESIGN ASSOCIATES, INC. 3501 CONCORD ROAD STE 150 YORK PA 17402 09/30/25
635 PENNELL & WILTBERGER INC. 115 West Avenue, Suite 300 Jenkintown PA 19046 09/30/25
631 CHESTER VALLEY ENGINEERS, INC. 112 Moores Road, Suite 200 Malvern PA 19355 09/30/25
623 CITADEL ENGINEERING INC. 17129 WEBBS ROAD ELLENDALE DE 19941 09/30/25
622 THE TRAFFIC GROUP, INC. 9900 Franklin Square Drive Baltimore MD 21236 09/30/25
619 EBA ENGINEERING, INC. 6100 Chevy Chase Drive, Ste. 200 Laurel MD 20707 09/30/25
600 GEORGE E. YOUNG, III, P.C. 1504 MARKET STREET POCOMOKE MD 21851 09/30/25
593 THE STELLAR GROUP, INC. 2900 HARTLEY ROAD JACKSONVILLE FL 32257 09/30/25
585 CARROLL ENGINEERING CORPORATION 949 EASTON ROAD WARRINGTON PA 18976 09/30/25
554 TRAFFIC PLANNING AND DESIGN, INC. 2500 EAST HIGH STREET, Ste. 650 POTTSTOWN PA 19464 09/30/25
553 GANNETT FLEMING, INC. 207 Senate Avenue Camp Hill PA 17011 09/30/25
547 ATKINSREALIS USA INC 4030 West Boy Scout Blvd. Su. 700 Tampa FL 33607 09/30/25
546 THE WILSON T. BALLARD COMPANY 17 GWYNNS MILL COURT OWINGS MILLS MD 21117 09/30/25
539 CHEMICAL ENGINEERING & INSTRUMENTATION 2 TERRI LANE, SUITE 125 BURLINGTON NJ 08016 09/30/25
532 BERGMANN ASSOCIATES, ARCHITECTS, ENGINEERS, LANDSCAPE ARCHITECTS & SURVEYORS, D.P.C. 280 East Broad Street #200 ROCHESTER NY 14604 09/30/25