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)
4279
Tilson Technology Management, Inc.
16 Middle Street, 4th Fl.
Portland
ME
04101
09/30/25
4426
Tier 1 Utility Design, Inc.
6 Commerce Drive, Suite 200
Reading
PA
19607
09/30/25
5293
THYSSENKRUPP UHDE USA, LLC
15990 N. Barkers Landing, Suite 300
Houston
TX
77079
09/30/25
4087
Thriven Design, Inc.
756 Haddon Avenue
Collingswood
NJ
08108
09/30/25
5462
Three Sixty Engineering, Inc.
751 Pine Ridge Road, Suite 360
Golden
CO
80403
09/30/25
4146
Three Chord C.E.M., LLC
P.O. Box 203
Georgetown
DE
19947
09/30/24
747
THORSON BAKER & ASSOCIATES, INC.
3030 WEST STREETSBORO ROAD
RICHFIELD
OH
44286
09/30/25
2233
THORNTON TOMASETTI, INC.
120 Broadway, 15th Floor
NEW YORK
NY
10271
09/30/24
4018
Theta Consulting LLC
PO Box 1804
Doylestown
PA
18901
09/30/25
5417
Thermaltech Engineering, Inc.
3960 Red Bank Road, Suite 250
Cincinnati
OH
45227
09/30/25
629
THEODORE J. CHMIELEWSKI, INC. (TJCI)
709 FAWN ROAD
NEWARK
DE
19711
09/30/24
546
THE WILSON T. BALLARD COMPANY
17 GWYNNS MILL COURT
OWINGS MILLS
MD
21117
09/30/25
5257
the w-t group, llc
2675 pratum ave
hoffman estates
IL
60192
09/30/25
4111
The Vertex Companies, LLC
400 Libbey Parkway
Weymouth
MA
02189
09/30/24
622
THE TRAFFIC GROUP, INC.
9900 Franklin Square Drive
Baltimore
MD
21236
09/30/25
4704
The Structures Group, Inc.
1200 Old Colony Lane
Williamsburg
VA
23185
09/30/24
593
THE STELLAR GROUP, INC.
2900 HARTLEY ROAD
JACKSONVILLE
FL
32257
09/30/25
4420
The Stebbins Engineering and Manufacturing Company
363 Eastern Boulevard
Watertown
NY
13601-3140
09/30/25
3645
The Rock Brook Consulting Group
20 South Middlesex Avenue, Suite B
Monroe Township
NJ
08831
09/30/25
2830
THE ROBERT B. BALTER COMPANY
18 MUSIC FAIR ROAD
OWINGS MILLS
MD
21117
09/30/25
3019
THE REINFORCED EARTH COMPANY
45610 Woodland Road, Suite 200
Sterling
VA
20166
09/30/25
4622
The ProNet Group, Inc.
1 Sugar Creek Center Blvd, Suite 1100
Sugar Land
TX
77478
09/30/24
4642
The Power Source, PLLC
305 Highway 51
Ridgeland
MS
39157
09/30/25
4538
The Plan Source
9506 B Lee Highway
Fairfax
VA
22030
09/30/25
4204
The Pettit Group
497 Center St
Sewell
NJ
08080
09/30/24