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Architecture Firms
Ranked by No. DE Employees
RankCompany
Phone / Fax
No. DE EmployeesManaging Partners
Year Founded
1
Tetra Tech, Inc.
240 Continental Drive, Suite 200
Newark, DE 19713
www.tetratech.com
(302) 738-7551
(302) 454-5989
66*
1949
2
Davis, Bowen & Friedel, Inc.
1 Park Ave.
Milford, DE 19963
www.dbfinc.com
(302) 424-1441
(302) 424-0430
38*
Randy Duplechain (Principal )
Jason Loar (Principal )
Michael Wheedleton (Principal)
1983
3
Becker Morgan Group
309 S Governors Ave.
Dover, DE 19904
www.beckermorgan.com
(302) 734-7950
(302) 734-7965
30
W. Ronald Morgan (Prnicipal)
1983
Mitchell Associates, Inc
One Avenue of the Arts
Wilmington, DE 19801
www.mitchellai.com
(302) 230-5200
(302) 594-9420
30*
Lou Rosenberg (CEO)
1965
5
Studio Jaed
2500 Wrangle Hill Rd, Ste 110
Bear, DE 19701
www.studiojaed.com
(302) 832-1652
(302) 832-1423`
20*
Jim Hutchison (CEO)
1978
6
Abha Architects
1621 N Lincoln St
Wilmington, DE 19906
www.abha.com
(302) 658-6426
(302) 658-8431
15
Michael Deptula
Scott Lester
Carl Krienen
1949
Bernardon
123 Justison Street, Suite 101
Wilmington, DE 19801
www.bernardon.com
(302) 622-9550
(302) 622-9554
15*
William E. Holloway (Principal)
Kerry R. Haber (Principal)
Robin E. Tait (Director of Interior Design)
1973
8
Architectural Alliance
1309 Veale Road, Suite 22
Wilmington, DE 19810
www.archalli.com
(302) 478-3777
13
Kevin Wilson
Rudolph Ducharme (Managing Partner)
1987
9
Tevebaugh Architecture
2 Mill Road, Suite 210
Wilmington, DE 19806
www.tevebaugh.com
(302) 984-1400
12
Bill Lenihan (President)
Sean Goodrick (Principal)
Shawn Crowley (Principal)
1987
10
Buck Simpers Architect + Associates
954 Justison St.
Wilmington, DE 19801
www.simpers.com
(302) 658-9300
(302) 658-1125`
10*
R.W. Buck Simpers (Owner)
1979
Homsey Architects
2003 N Scott St
Wilmington, DE 19806
www.homsey.com
(302) 656-4491
10*
Eldon Homsey
19501
Moeckel Carbonell Associates Inc
One Avenue of the Arts
Wilmington, DE 19801
www.architectsde.com
(30) 571-0840
10*
Harold E. Judefind, Jr. (President)
1909
13
Breckstone Architecture
2417 Lancaster Ave
Wilmington, DE 19805
www.breckstonearchitecture.com
(302) 654-3646
(302) 654-3648
9
Todd T Breck (President)
David P Mengers (Vice President)
1990
14
Cooperson Associates
1504 N French St
Wilmington, DE 19801
www.coopersonassoc.com
(302) 655-1105
(302) 655-1139
8
Jay N. Cooperson (Principal)
Michael E. Lukshides (Partner)
Robert Spring (Partner)
Frederick S. Roland (VP, PE, SECB, RA, CFEI, CFI)
2008
Design Collaborative
1211 Delaware Ave
Wilmington, DE 19806
www.dciarchitects.com
(302) 652-4221
8*
John E Dobraniecki (Principal)
Rosalyn Keesee (Prinicpal)
1979
Element Design Group
231 N. Market Street
Wilmington, DE 19801
www.elementdg.com
(302) 299-8335
8*
Douglas M. Warner (Principal)
2004
R G Architects, LLC
200 West Main St.
Middletown, DE 19709
www.rgarchitects.net
(302) 376-8100
(302) 376-9581
8
Gerald D Rozanski (Principal)
Robert A Grove (Principal) Principals
2005
18
Moonlight Architecture
29003 Lewes Georgetown Hwy
Lewes, DE 19958
www.moonlightarch.com
(302) 645-9361
6*
Robert Rollins
1999
19
Rothberg Marjorie Architecture
1225 N King St Ste 500
Wilmington, DE 19801
www.m10x10.com
(302) 655-6595
5*
Marjorie Rothberg (Architect, Principal)
1998
20
Archology
107 S Washington St
Milford, DE 19963
www.archologyde.com
(302) 339-5566
4*
Mark Redden (Principal)
2010
21
Ryan Architecture, LLC
140 Layton Ave., Suite 2
Georgetown, DE 19947
www.ryanarchitect.com
(302) 228-1111
3
Parick W. Ryan (Managing Member)
2015
Scott Edmonston Architecture Studio
35761 Atlantic Ave
Millville, DE 19967
www.seagreenstudio.com
(302) 364-0821
3
Scott Edmonston (President, AIA, LEED AP)
Staikos Associates Architects
502 Bell Hill Rd
Wilmington, DE 19809
www.staikos.com
(302) 764-1678
3*
Nicholas D Staikos (Principal)
1986
24
Robinson Anderson Summers, Inc.
30 Bancroft Mills Rd
Wilmington, DE 19806
www.raslainc.com
(302) 888-1544
2
1995
Weymouth Architects and Planners
1827 Lovering Ave
Wilmington, DE 19806
www.weymoutharchitects.com
(302) 658-8760
2*
Charles Weymouth (AIA)
1968
26
andersen+ford architects
611 Haverhill Rd
Wilmington, DE 19803
www.af-architects.com
(302) 388-7862
1*
Cynthia Ford
2007
D. Dalby Architect
170 E Main St
Newark, DE 19711
www.ddalbyarchitect.com
(302) 738-3811
(302) 738-0385
1*
David Dalby
2004
Delaware Architects
550 S Dupont Blvd E
Milford, DE NA
www.delawarearchitectsllc.com
(302) 491-6047
1*
Martin Dusbiber (Operations Manager)
2009
James Robert Clark Architect/Planner
14134 Union Street Ext # 734
Milton, DE 19968
(302) 684-0268
1*
James Clark (Owner)
1988
Michael Cohalan Architect
102 Savannah Rd
Lewes, DE 19958
www.michaelcohalan.com
(302) 645-5556
(302) 684-5974
1
1969
NR
Design Delmarva
1304 Savannah Rd
Lewes, DE NA
www.designdelmarva.com
(302) 644-8884
NA
NR
Fearn-Clendaniel Architects
6 Larch Ave Ste 398
Wilmington, DE NA
www.fcarchitects.net
(302) 998-7615
NA
NR
Gilbert Architects
100 S Broad St
Middletown, DE NA
www.gilbertarchitects.com
(302) 449-2492
NA
NR
Rockland Design- Build
1605 E Ayre St
Wilmington, DE 19804
www.rocklandinc.com
(302) 995-6800
NA
2002