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Firm
License
Firm Name Address City State Zip Expiration Date
(mm/yy)
1025 ROBERT E. LAMB, INC. 955 Madison Ave. NORRISTOWN PA 19403 09/30/26
1021 PAUL J. FORD & COMPANY 250 EAST BROAD STREET SUITE 600 COLUMBUS OH 43215 09/30/26
1018 POLARSTAR ENGINEERING & MACHINE 5-B GARFIELD WAY NEWARK DE 19713 09/30/25
1013 J.W. SALM ENGINEERING, INC. P.O. BOX 397 BERLIN MD 21811 09/30/25
1009 PROGRESSIVE ENGINEERING CONSULTANTS, INC. P.O. BOX 690638 Charlotte NC 28227 09/30/26
1005 A.D. MARBLE & COMPANY, INC. 2200 Renaissance Blvd, Suite 260 King of Prussia PA 19406 09/30/26
998 PEIRCE ENGINEERING, INC. 1220 VALLEY FORGE RD. SUITE 14 PHOENIXVILLE PA 19460 09/30/26
988 BARD, RAO + ATHANAS CONSULTING ENGINEERS, LLC 10 GUEST STREET, 4TH FLOO BOSTON MA 02135 09/30/25
985 BASKERVILL & SON, P.C. 1051 E Cary St, SUITE 200 RICHMOND VA 23219 09/30/25
978 STEPHENS ENVIRONMENTAL CONSULTING, INC. 11 AILSA COURT RISING SUN MD 21911 09/30/25
970 GEI CONSULTANTS, INC. 400 UNICORN PARK DRIVE WOBURN MA 01801 09/30/25
958 BALA CONSULTING ENGINEERS, INC. 1285 Drummers Lane, Ste. 200 Wayne PA 19087 09/30/25
954 ROBERT D. GILMORE & ASSOCIATES, INC. 65 E. BUTLER AVENUE Suite 100 NEW BRITAIN PA 18901 09/30/25
940 STEVEN SCHAEFER ASSOCIATES, INC., DBA Schaefer 537 East Pete Rose Way, Suite 400 Cincinnati OH 45202 09/30/26
939 RETTEW ASSOCIATES, INC. 3020 COLUMBIA AVENUE LANCASTER PA 17603 09/30/25
931 DESIGN AND ENGINEERING, INC. 4031 Aspen Grove Dr, Ste 300 Franklin TN 37067 09/30/25
923 JAMES POSEY ASSOCIATES, INC. 11155 Red Run Blvd, Ste 310 BALTIMORE MD 21117 09/30/25
901 BAI GROUP, LLC 366 Walker Drive, Suite 300 State College PA 16801 09/30/25
894 MINCIN PATEL MILANO, INC. 6511 HARFORD ROAD BALTIMORE MD 21214 09/30/25
890 KOVACS, WHITNEY & ASSOCIATES, INC. 190 W. Ostend Street, Ste 300 BALTIMORE MD 21230-3735 09/30/25
888 LARSON ENGINEERING GROUP INC. 910 SOUTH CHAPEL STREET, SU. 200 NEWARK DE 19713 09/30/25
887 BETA ENGINEERING LLC 4725 HWY. 28 E. PINEVILLE LA 71360 09/30/25
883 ON-BOARD ENGINEERING CORPORATION 50 Millstone Road-Bldg 300 Suite 110 East Windsor NJ 08520 09/30/25
881 GHT LIMITED 1110 N. GLEBE ROAD SUITE 300 ARLINGTON VA 22201 09/30/25
872 EHLERT/BRYAN, INC. 8609 Westwood Center Drive, Suite 800 Vienna VA 22182 09/30/25