Category:Architecture firms of the United States

• Defunct architecture firms of the United States‎ (18 C, 15 P)

A

• Architecture firms based in Alaska‎ (11 P)
• Architecture firms based in Arkansas‎ (23 P)
• Architecture firms based in Arizona‎ (1 C, 17 P)

C

• Architecture firms based in California‎ (1 C, 38 P)
• Architecture firms based in Colorado‎ (1 C, 5 P)
• Architecture firms based in Connecticut‎ (2 C, 36 P)

D

• Architecture firms based in Delaware‎ (6 P)

F

• Architecture firms based in Florida‎ (2 C, 26 P)

G

• Architecture firms based in Georgia (U.S. state)‎ (18 P)

I

• Architecture firms based in Idaho‎ (7 P)
• Architecture firms based in Illinois‎ (2 C, 3 P)
• Architecture firms based in Indiana‎ (1 C, 4 P)
• Architecture firms based in Iowa‎ (15 P)

K

• Architecture firms based in Kansas‎ (8 P)
• Architecture firms based in Kentucky‎ (1 C, 2 P)

L

• Architecture firms based in Louisiana‎ (2 P)

M

• Architecture firms based in Maine‎ (22 P)
• Architecture firms based in Maryland‎ (7 P)
• Architecture firms based in Massachusetts‎ (1 C, 63 P)
• Architecture firms based in Michigan‎ (1 C, 5 P)
• Architecture firms based in Minnesota‎ (1 C, 6 P)
• Architecture firms based in Mississippi‎ (1 P)
• Architecture firms based in Missouri‎ (23 P)
• Architecture firms based in Montana‎ (8 P)

N

• Architecture firms based in Nebraska‎ (1 C, 5 P)
• Architecture firms based in Nevada‎ (9 P)
• Architecture firms based in New Hampshire‎ (12 P)
• Architecture firms based in New Jersey‎ (1 C, 6 P)
• Architecture firms based in New York (state)‎ (2 C, 21 P)
• Architecture firms based in North Carolina‎ (9 P)
• Architecture firms based in North Dakota‎ (18 P)

O

• Architecture firms based in Ohio‎ (1 C, 17 P)
• Architecture firms based in Oklahoma‎ (2 P)
• Architecture firms based in Oregon‎ (1 C, 6 P)

P

• Architecture firms based in Pennsylvania‎ (1 C, 31 P)

R

• Architecture firms based in Rhode Island‎ (1 C, 54 P)

S

• Architecture firms based in South Dakota‎ (6 P)

T

• Architecture firms based in Tennessee‎ (11 P)
• Architecture firms based in Texas‎ (1 C, 25 P)

U

• Architecture firms based in Utah‎ (3 P)

V

• Architecture firms based in Vermont‎ (5 P)
• Architecture firms based in Virginia‎ (4 P)

W

• Architecture firms based in Washington, D.C.‎ (14 P)
• Architecture firms based in Washington (state)‎ (18 P)
• Architecture firms based in West Virginia‎ (11 P)
• Architecture firms based in Wisconsin‎ (1 C, 8 P)

• List of American architects

B

• Baumann family (architects)
• BBGM
• Louis Berger & Co.
• Blank Studio Architecture

C

• Central Design Office, Ames
• Corgan (company)
• Croft & Boerner

D

• Daniell & Beutell

E

• EDSA (company)
• Ehrenkrantz Eckstut & Kuhn Architects
• John P. Eisentraut

F

• French, Dixon & DeSaldern

G

• Giannini & Hilgart
• Grad Associates
• Greene and Greene

H

• H.L. Stevens & Company
• Hare & Hare
• Hornblower & Marshall
• Howells & Stokes
• Hugill & Blatherwick

J

• Jones & Furbringer
• Joseph & Joseph

L

• Lamb and Rich
• Leo A Daly
• Lyles, Bissett, Carlisle, and Wolff

M

• Marshall and Fox
• Muhlenberg Greene Architects

N

• NAC Architecture

O

• Oppenheim Architecture
• Overend & Boucher

P

• Page (firm)
• Parker, Thomas & Rice
• Patton & Miller
• Peabody, Wilson & Brown
• PEI Architects
• Percy & Hamilton
• Perkins Eastman
• Polevitzky, Johnson and Associates
• Polhemus & Coffin
• Pond and Pond
• Purcell & Elmslie

S

• Shepard & Stearns
• Slade Architecture
• Smith & Bassette

T

• Toro Ferrer
• Tracy and Swartwout
• Trench & Snook
• Tvsdesign

U

• Urban Design Associates

W

• Ware & Treganza
• Wayland & Fennell
• Weeks and Day
• Weston and Ellington
• Whitfield & King
• Wilson, Sompayrac & Urquhart
• Wimberly Allison Tong & Goo

Z

• Arthur and Nina Zwebell