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Firm
License
Firm Name Address City State Zip Expiration Date
(mm/yy)
5035 1200 Architectural Engineers, PLLC 210 N Lee St Ste 210 Alexandria VA 22314-2644 09/30/22
4907 3P Certz 14090 FRYELANDS BLVD SE, STE 230 Monroe WA 98272 09/30/22
4526 4th Dimension Design, Inc. 817 Venture Court Waukesha WI 53189 09/30/22
4316 80/20 Corporation 100 S. Rockland Falls Road PO Box 139 Rockland DE 19732 09/30/22
4124 A Squared Plus Engineering Support Group, LLC 2601 Emory Road, Ste 1B Finksburg MD 21048 09/30/22
4268 A&F Engineers Inc. 1112 16th St. NW Suite 920 Washington DC 20036 09/30/22
2503 A. EPSTEIN & SONS INT`L, INC. 600 W. FULTON STREET CHICAGO IL 60661 09/30/22
2403 A. MORTON THOMAS & ASSOCIATES, INC. 800 King Farm Blvd, 4th Floor ROCKVILLE MD 20850 09/30/22
1005 A.D. MARBLE & COMPANY, INC. 2200 Renaissance Blvd, Suite 260 King of Prussia PA 19406 09/30/22
4280 A2H, Inc. 3009 Davies Plantation Road Lakeland TN 38002 09/30/22
4714 ABB Inc. 305 Gregson Drive Cary NC 27511 09/30/23
3356 ABEL CONSULTING ENGINEERS, P.A. 5235 Westview Drive, Suite 100 Frederick MD 21703 09/30/22
4423 Absolute Systems Engineering LLC 445 Defense Hwy Annapolis MD 21401 09/30/22
2055 ACCUDYNE SYSTEMS, INC. 210 EXECUTIVE DR., SU. 5 NEWARK DE 19702 09/30/23
3634 Acertus Consulting Group, LLC 14817 West 95th Street Lenexa KS 66215 09/30/23
506 ACTION ENVIRONMENTAL SERVICE CORPORATION 501 SILVERSIDE ROAD WILMINGTON DE 19809 09/30/22
2167 ADAMS, REHMANN & HEGGAN ASSOCIATES, INC. 215 Bellevue Ave HAMMONTOWN NJ 08037-0579 09/30/22
4137 ADVANCED ENGINEERING, INC. 5561 PENNELL ROAD MEDIA PA 19063 09/30/22
697 ADVANCED GEOSERVICES CORP. 1055 ANDREW DRIVE SUITE A WEST CHESTER PA 19380 09/30/22
4372 Advanced Infrastructure Design, Inc. 1 Crossroads Drive Hamilton NJ 08691 09/30/22
4393 Advantage Engineers, LLC 7151 Columbia Gateway Dr, Ste A Columbia MD 21046 09/30/22
5032 AEC Services, Inc. 1616 Allison Woods Lane Tampa FL 33619 09/30/22
4925 AES Clean Technology Inc. 422 STUMP RD MONTGOMERYVILLE PA 18936 09/30/22
2869 AFFILIATED ENGINEERS, INC. P.O. BOX 5620 MADISON WI 53705 09/30/22
2818 AIR SYSTEMS ENGINEERING CO., INC. P.O. BOX 4124 GREENVILLE DE 19807 09/30/22