DELAWARE ASSOCIATION OF PROFESSIONAL ENGINEERS
92 Read's Way, Suite 208
New Castle, DE 19720
Phone: 302-323-4588
Email: office@dape.org
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Firm
License		 Firm Name Address City State Zip Expiration Date
(mm/yy)
635 PENNELL & WILTBERGER INC. 115 West Avenue, Suite 300 Jenkintown PA 19046 09/30/26
5449 Markham Services, Inc. 1820 NE Jensen Beach Blvd. Jensen Beach FL 34957-7212 09/30/25
4432 J.S. Held, LLC 50 Jericho Quadrangle, Ste. 117 Jericho NY 11753 09/30/25
2607 H.F. Lenz Company 1407 Scalp Avenue Johnstown PA 15904 09/30/26
4063 Wright Engineering, LLC 853 Ripple Stream Ct Joppa MD 21085 09/30/25
2125 Dialectic, Inc. 310 W 20th St. #200 Kansas City MO 64109 09/30/25
2693 CLARK, RICHARDSON & BISKUP CONS. ENGRS. 1251 NW Briarcliff Pkwy, Suite 500 KANSAS CITY MO 64116 09/30/25
5622 Herzig Engineering, LLC 8201 NW 97th Terrace Kansas City MO 64153 09/30/25
2983 JOHNSTON BURKHOLDER ASSOCIATES, LLC 930 Central St. Kansas City, MO MO 64105 09/30/26
4998 BSC Forensic Services, LLC 1519 Vander Wilt Lane Katy TX 77449 09/30/25
5648 Percheron Professional Services, LLC 1904 W Grand Pkwy N Katy TX 77449 09/30/25
4082 Bob Herzig & Associates, Inc. 8201 NW 97th Terrace KCMO MO 64153 09/30/25
2562 THE TRI-M GROUP, LLC 206 GALE LANE KENNETT SQUARE PA 19348 09/30/26
2732 Hagerty Environmental, LLC 415 McFarlan - Suite 216 Kennett Square PA 19348 09/30/25
5602 DDG Engineering, Inc. 110 East State Street, #10 Kennett Square PA 19348 09/30/25
4152 DesignTech, Inc. 10410 Kensington Parkway, #200 Kensington MD 20895 09/30/25
5143 GEO Consultants Corporation 325 Kentucky Ave Kevil KY 42053-8972 09/30/25
381 CONSTRUCTION METHODS & COORDINATION, INC. D/B/A CMC ENGINEERING, P.O. BOX 958 KIMBERTON PA 19442 09/30/26
5003 All4 LLC 2393 Kimberton Rd., P.O. Box 299 Kimberton PA 19442 09/30/25
2968 GEOSTRUCTURES, INC. 1000 West 9th Ave STE B King of Prussia PA 19406 09/30/26
2517 JBC ASSOCIATES, INC. 120 SOUTH WARNER ROAD, SUITE 100 KING OF PRUSSIA PA 19406 09/30/25
1005 A.D. MARBLE & COMPANY, INC. 2200 Renaissance Blvd, Suite 260 King of Prussia PA 19406 09/30/26
2053 RT ENVIRONMENTAL SERVICES, INC. 215 W. CHURCH ROAD KING OF PRUSSIA PA 19406 09/30/26
4028 Oliver Sprinkler Co., Inc. 501 Feheley Drive King of Prussia PA 19406 09/30/25
4241 ExecuPOWER, LLC 555 Croton Road, Suite 307 King of Prussia PA 19406 09/30/26