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Engineering Firms
Ranked by No. DE Employees
RankCompany
Phone / Fax
No. DE EmployeesPerson in charge (Title)
Year Founded
1
Pennoni
121 Continental Drive, Suite 207
Newark, DE 19713
www.pennoni.com
(302) 655-4451
(302) 654-2895
113
Edward F Rasiul (Vice President, Office Director, Newark )
Mark Davidson (Associate Vice President, Office Director, Milton )
1966
2
Century Engineering
4134 N. DuPont Highway
Dover, DE 19901
www.centuryeng.com
(302) 734-9188
(302) 734-4589
111
Scott L. Rathfon, P.E. (Executive Vice President)
1977
3
TekSolv
130 Executive Drive Suite 5
Newark, DE 19702
www.teksolv.com
(302) 738-1050
(302) 738-1051
100
John Mouser (CSP, President)
1999
4
Duffield Associates
5400 Limestone Rd
Wilmington, DE 19808
www.duffnet.com
(302) 239-6634
(302) 239-8485
85
Guy Marcozzi (President)
1976
5
Tetra Tech, Inc.
240 Continental Drive, Suite 200
Newark, DE 19713
www.tetratech.com
(302) 738-7551
(302) 454-5989
66
Robert M. Maffia (Vice President)
1949
6
DEDC, LLC
315 South Chapel Street
Newark, DE 19711
www.dedc-eng.com
(302) 738-7172
(302) 738-7175
62
Howard P. Krinsky (Principal)
2010
7
BrightFields, Inc.
801 Industrial Street
Wilmington, DE 19801
www.brightfieldsinc.com
(302) 656-9600
(302) 656-9700
44
Marian R Young (President)
Mark A Lannan (Principal)
2003
8
Davis, Bowen & Friedel, Inc.
23 North Walnut Street
Milford, DE 19963
www.dbfinc.com
(302) 424-1441
(302) 424-0430
38
Randy Duplechain (Principal )
Jason Loar (Principal ) Principal s
1983
9
VanDemark & Lynch, Inc.
4305 Miller Road
Wilmington, DE 19803
www.vandemarklynch.com
(302) 764-7635
(302) 764-4170
38
Stephan Lehm (President)
1937
10
Environmental Alliance
5341 Limestone Road
Wilmington, DE 19808
www.envalliance.com
(302) 234-4400
(302) 234-1535
32
Bill Smith (President)
1991
11
Paragon Engineering
708 Philadelphia Pike
Wilmington, DE 19809
www.paragon-eng.com
(302) 762-6010
(302) 762-0653
32
David P. Bobiak (P.E., LEED AP)
1985
12
Karins and Associates
17 Polly Drummond Center
Newark, DE 19711
www.karinsengineering.com
(302) 369-2900
(302) 369-2975
30
Dev Sitaram (President)
1973
13
Landmark Science & Engineering
100 W. Commons Blvd., Suite 301
New Castle, DE 19720
www.landmark-se.com
(302) 323-9377
(302) 323-9461
30
Ted C Williams (President)
1987
14
Becker Morgan Group
309 S Governors Ave.
Dover, DE 19904
www.beckermorgan.com
(302) 734-7950
(302) 734-7965
28
Gregory V. Moore (VP)
1983
15
KBR Kellogg Brown and Root
242 Chapman Road
Newark, DE 19702
www.kbr.com
(302) 452-9000
(302) 452-9007
20
Art Yanchitis (Director of Engineering Operations)
1919
16
Blake and Vaughan Engineering, Inc
800 Woodlawn Avenue
Wilmington, DE 19805
www.blakevaughan.com
(302) 888-1780
(302) 888-1781
15
Jeff Vaughan (Principal)
Dan Blake ( Principal)
2003
17
Carew Associates
2 Penns Way, Ste. 203
New Castle, DE 19720
www.carewassoc.com
(302) 328-3600
(302) 328-3601
10
Robert Cannon (Owner)
1979
18
Studio Jaed
2500 Wrangle Hill Rd, Ste 110
Bear, DE 19701
www.studiojaed.com
(302) 832-1652
(302) 832-1423`
10
Jim Hutchison (CEO)
1978
19
Cooperson Associates
3700 Oak Ridge Rd
Wilmington, DE 19808
www.coopersonassoc.com
(302) 239-1805
(302) 655-1139
8
Jay N. Cooperson (Principal)
Michael E. Lukshides (Partner)
Robert Spring (Partner)
Frederick S. Roland (Vice President, PE, SECB, RA, CFEI, CFII)
2008
20
Bohler Engineering
18958 Coastlal Highway, Suite D
Rehoboth Beach, DE 19971
bohlerengineering.com
(302) 644-1155
7
Dave Kuklish (Associate, Bohler Delaware Branch Manager)
1981
21
ForeSite Associates
208 Delaware St.
New Castle, DE 19720
www.foresiteassociates.com
(302) 351-3421
(302) 351-3456
7
Andrew Hayes
2005
22
RMF Engineering
4 N. Main St.
Selbyville, DE 19975
www.rmf.com
(302) 436-2733
(302) 436-5211
6
Bill Wothers (Project Manager)
1983
23
KCI Technologies
1352 Marrows Rd, Ste 100
Newark, DE 19711
www.kci.com
(302) 731-9176
(302) 731-7807`
5
Dwight Walters
1955
24
Dougherty Brothers
601 Balsam Ter
Wilmington, DE 19804
www.armstrongair.com
(302) 994-9242
4
Sue Dougherty
1928
25
Scott Engineering
22 Old Rudnick Ln., Ste 2
Dover, DE 19901
www.scottengineering.com
(302) 736-3058
(302) 736-3059`
4
Greg Scott
1993
26
Archology
107 S Washington St
Milford, DE 19963
www.archologyde.com
(302) 339-5566
2
Mark Redden (Principal)
2010
27
Becker Morgan Group
Rittenhouse Station, 250 South Main Street, Suite 109
Newark, DE 19711
www.beckermorgan.com
(302) 369-3700
2
1983
28
Alpha Building Inspectors
34 Lyric Dr
Newark, DE 19702
www.alpha-engineering.com
(302) 834-3344
1
Judy Hughes (C.E.O.)
1981
29
Corporate Systems LLC
505 Brookfield Dr
Dover, DE 19901
www.corporatesystems.com
(302) 697-2139
1
B Joyce Lockhart (President)
1979
30
Amer Industrial Technologies
100 Amer Rd. Bldg. 200
Wilmington, DE 19809
www.amerindustrial.com
(302) 765-3900
(302) 765-3544
NA
Ahmad Amer
31
Dolby and Associates
22183 Sussex Highway
Seaford, DE 19973
www.dolbyandassociates.com
(302) 629-0314
(302) 629-2872
NA
Jay Dolby (President)
1979
32
Furlow Associates
1206 Society Dr.
Claymont, DE 19703
www.furlowassociates.com
(302) 798-3515
(302) 798-9799
NA
Vince J. Cichocki
33
Harmony Construction
305 W Newport Pike
Wilmington, DE NA
www.harmonyconst.com
(302) 633-5600
NA
34
Larson Engineering Group
910 S Chapel St, Ste 200
Newark, DE 19713
www.larsonengineering.com
(302) 731-7434
(302) 731-8211
NA
35
Long Tann and D'onofrio
3906 Concord Pike
Wilmington, DE 19803
www.ltdeng.com
(302) 477-1970
NA
1936
36
Lutz Engineering
3324 Hermitage Rd
Wilmington, DE NA
www.lutz-engr.com
(302) 479-9017
NA
37
Moeckel Carbonell Associates
1 Ave Of The Arts
Wilmington, DE NA
www.architectsde.com
(302) 571-0840
NA
38
Nowland Associates
2009 Ogletown Rd
Newark, DE NA
www.nowlandassociates.com
(302) 731-1333
NA
39
Orndorf and Associates P.O.Ox
4117
Greenville, DE 19807
www.orndorf.com
(302) 999-9967
(302) 999-9822
NA
Kevin Orndorf
40
Pencader Fabrication and Welding
2038 Sunset Lake Road
Newark, DE 19702
www.penmech.com
(302) 368-9144
NA
Dan Fitzpatrick (Owner)
1973
41
RK&K Delaware
One Riverwalk Center
Wilmington, DE 19801
www.rkk.com
(302) 468-4881
(877) 421-7265
NA
42
Urban Engineers
2 Penns Way, Ste. 309
New Castle, DE 19720
www.urbanengineers.com
(302) 689-0260
(302) 326-1054
NA
John Pietrobono
1960