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Firm Name Address City State Zip Expiration Date
(mm/yy)
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
525 DIAMOND ELECTRIC, INC. 3566 PEACHTREE RUN DOVER DE 19901 09/30/25
524 PROFESSIONAL SERVICE INDUSTRIES, INC. 545 E. Algonquin Rd. Arlington Heights IL 60005 09/30/25
523 UNDERGROUND SERVICES, INC. 24 HAGERTY BOULEVARD SUITE #11 WEST CHESTER PA 19382 09/30/25
522 PENNONI ASSOCIATES, INC. 1900 Market Sreet, Suite 300 PHILADELPHIA PA 19103 09/30/25
520 JOHN D. HYNES & ASSOCIATES, INC. 32185 BEAVER RUN DRIVE SALISBURY MD 21804 09/30/25
506 ACTION ENVIRONMENTAL SERVICE CORPORATION 501 SILVERSIDE ROAD WILMINGTON DE 19809 09/30/25
494 HDR ENGINEERING, INC. 1917 S. 67th Street Omaha NE 68106 09/30/25
493 MICHAEL MARIS ASSOCIATES, INC. 716 Windswept Lane Franklin Lakes NJ 07417 09/30/25
491 WOODIN + ASSOCIATES, L.L.C. 111 PATRIOT DRIVE, SU. D MIDDLETOWN DE 19709 09/30/25
480 BATTA ENVIRONMENTAL ASSOCIATES, INC. DELAWARE INDUSTRIAL PARK 6 GARFIELD WAY NEWARK DE 19713-3540 09/30/25
472 A.W. LOOKUP CORPORATION 500 FAYETTE STREET, SU. 100 CONSHOHOCKEN PA 19428 09/30/25
467 LANDMARK ENGINEERING, INC. d/b/a LANDMARK SCIENCE & ENGINEERING 200 Continental Drive, Su. 400 Newark DE 19713 09/30/25
464 EA ENGINEERING, SCIENCE AND TECHNOLOGY, INC. 225 SCHILLING CIRCLE, SU. 400 HUNT VALLEY MD 21031 09/30/25
462 ARORA ENGINEERS, LLC 61 WILMINGTON-WEST CHESTER PIKE, SU. 100 CHADDS FORD PA 19317 09/30/25
458 BURNS & McDONNELL ENGINEERING COMPANY, INC. 9400 WARD PARKWAY P.O. BOX 419173 KANSAS CITY MO 64114-6173 09/30/25