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)
2531 Structural Engineers, P.C. 114 Nicholas Drive Marshalltown IA 50158 09/30/25
4812 STRUCTURAL ENGINEERING UNLIMITED, LLC 9322 HILLSBOROUGH DR FREDERICK MD 21701 09/30/25
5046 Structural Design Associates, Inc 533 W Uwchlan Avenue, Ste 201 Downingtown PA 19335 09/30/24
2070 STRUCTURAL CONSULTANTS ASSOCIATES, INC. 12511 Emily Court Sugar Land TX 77478 09/30/24
2800 Structura Inc. 12358 Parklawn Drive, Ste 140 North Bethesda MD 20852 09/30/25
4685 STRUCTUNEERING, INC 7322 SOUTHWEST FWY, STE 780 HOUSTON TX 77074 09/30/25
3133 STRAUGHAN ENVIRONMENTAL, INC. 10245 Old Columbia Road Columbia MD 21046 09/30/25
4168 Strata Environmental Services, Inc. 110 Perimeter Park Rd Ste E Knoxville TN 37922 09/30/24
4074 Strand Associates, Inc. 910 W Wingra Drive Madison WI 53715 09/30/25
4637 Stormwater Maintenance, LLC 913 Ridgebrook Rd., Suite 302 Sparks MD 21152 09/30/25
4539 Storage Rack Engineering, Inc. 23142 Arroyo Vista Rancho Santa Margarita CA 92688 09/30/25
5328 Stone Ridge Engineering, LLC 1583 Livingston Avenue, Suite #4 North Brunswick NJ 08902 09/30/25
5503 Stone Fleet 225 Dyer Street, 2nd Floor Providence RI 02903 09/30/24
4763 Stone & Webster, LLC 164 East Mt. Gallant Rd. Rock Hill PA 29730 09/30/25
3994 Stock & Associates Consulting Engineers, Inc. 257 Chesterfield Business Pkwy Chesterfield MO 63005 09/30/25
4612 Stiver Engineering, Inc. 1305 PEDEN ST HOUSTON TX 77006 09/30/25
5203 Stevenson Structural Engineering, LLC 321 Echo Valley Ln Newtown Square PA 19073 09/30/25
978 STEPHENS ENVIRONMENTAL CONSULTING, INC. 11 AILSA COURT RISING SUN MD 21911 09/30/25
4611 Stephen R. Lehr Engineering 10045 Clendaniel Pond Rd, PO Box 165 Lincoln DE 19960 09/30/24
5390 Stein Design Works, PLLC 10 Meloon Rd. Greenland NH 03840 09/30/24
3723 Steen Engineering, Inc. 5430 Douglas Drive No Crystal MN 55429 09/30/25
5418 STARLING, MADISON, LOFQUIST, INC. 3600 E University Dr Ste 1400 Phoenix AZ 85034 09/30/25
2815 STANTEC CONSULTING SERVICES, INC. 410 17th St Ste 1400 Denver CO 80202-4427 09/30/25
3399 STANTEC ARCHITECTURE INC. 224 South Michigan Ave, Suite 1400 Chicago IL 60604 09/30/25
2174 STANLEY D. LINDSEY & ASSOCIATES, LTD. 750 Old Hickory Blvd., Bldg 1, Ste 175 Brentwood TN 37027 09/30/25