DELAWARE ASSOCIATION OF PROFESSIONAL ENGINEERS
92 Read's Way, Suite 208
New Castle, DE 19720
Phone: 302-323-4588
Email: office@dape.org
Certificate Authorization
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Firm Name
Address
City
State
Zip
Expiration Date
(mm/yy)
2960
Delaware Engineering Solutions LLC
4 Millstone Court
Dover
DE
19901
09/30/25
3224
WHITE MARSH ENVIRONMENTAL SYSTEMS, INC.
1100 SOUTH LITTLE CREEK RD
DOVER
DE
19901
09/30/25
2186
PHP ENGINEERING, INC.
4 Fairview Ave
Middletown
DE
19709
09/30/25
1093
YELLOW PINE ASSOC., INC., T/A DAVIDSON ASSOCIATES
2300 KIRKWOOD HIGHWAY, 2ND FL.
WILMINGTON
DE
19805
09/30/25
104
McBRIDE & ZIEGLER, INC.
2607 EASTBURN CENTER
NEWARK
DE
19711
09/30/25
801
PRESSURE SYSTEMS ENGINEERING, INC.
2605 EASTBURN CENTER
NEWARK
DE
19711
09/30/25
59
HILLCREST ASSOCIATES, INC.
PO Box 1180
Hockessin
DE
19707
09/30/25
2055
ACCUDYNE SYSTEMS, INC.
210 EXECUTIVE DR., SU. 5
NEWARK
DE
19702
09/30/25
506
ACTION ENVIRONMENTAL SERVICE CORPORATION
501 SILVERSIDE ROAD
WILMINGTON
DE
19809
09/30/25
3043
i3a LLC
5819 Underwoods Corner Rd.
Smyrna
DE
19977
09/30/25
3138
JHK Consulting Services
543 Stenning Drive
Hockessin
DE
19707
09/30/25
2201
TEN BEARS ENVIRONMENTAL ASSOCIATES COMPANY
1080 S. CHAPEL ST., SUITE 200
NEWARK
DE
19702
09/30/25
2479
ELEMENT DESIGN GROUP (EDC, LLC)
115 West Market Street Second Floor
LEWES
DE
19958
09/30/25
2537
AXIOM ENGINEERING LLC
18 CHESTNUT STREET
GEORGETOWN
DE
19947
09/30/25
2140
YEH TENDOM ASSOCIATES
622 PARKRIDGE DRIVE
HOCKESSIN
DE
19707
09/30/25
2525
JOHN B. ROACH ENGINEERING LLC
22184 MELSON ROAD
GEORGETOWN
DE
19947
09/30/25
467
LANDMARK ENGINEERING, INC. d/b/a LANDMARK SCIENCE & ENGINEERING
200 Continental Drive, Su. 400
Newark
DE
19713
09/30/25
3351
SIEMANOWSKI CONSULTING INC.
288 E. Main St.
Newark
DE
19711
09/30/25
2513
ForeSite Associates, Inc.
2401 Philadelphia PK
Claymont DE
DE
19703
09/30/25
752
SCOTT ENGINEERING, INC.
22 OLD RUDNICK LANE SUITE 2
DOVER
DE
19901
09/30/25
388
MERIT CONSTRUCTION ENGINEERS, INC.
5700 KIRKWOOD HIGHWAY SUITE 201
WILMINGTON
DE
19808
09/30/25
480
BATTA ENVIRONMENTAL ASSOCIATES, INC.
DELAWARE INDUSTRIAL PARK 6 GARFIELD WAY
NEWARK
DE
19713-3540
09/30/25
3425
VIGILES LIFE SAFETY ENGINEERING, INC.
181 WELSH TRACT ROAD
NEWARK
DE
19702
09/30/25
2236
ARTESIAN WATER COMPANY, INC.
664 CHURCHMANS ROAD
NEWARK
DE
19702
09/30/25
2661
CDA ENGINEERING INC.
6 LARCH AVENUE SUITE 401
WILMINGTON
DE
19804
09/30/25
DELAWARE ASSOCIATION OF PROFESSIONAL ENGINEERS
DELAWARE ASSOCIATION OF PROFESSIONAL ENGINEERS
Certificate Authorization