Category:Companies based in Washington, D.C.

• Defunct companies based in Washington, D.C. (2 C, 30 P)

A

• Architecture firms based in Washington, D.C. (14 P)

B

• Banks based in Washington, D.C. (2 C, 7 P)
• Beer in Washington, D.C. (1 C, 1 P)

C

• Cooperatives based in Washington, D.C. (1 C, 5 P)
• Credit unions based in Washington, D.C. (4 P)

F

• Financial services companies based in Washington, D.C. (5 P)
• Food and drink companies based in Washington D.C. (3 C)

H

• Health care companies based in Washington D.C. (1 P)

I

• Insurance companies based in Washington, D.C. (3 P)

L

• Law firms based in Washington, D.C. (33 P)
• Lobbying firms based in Washington, D.C. (17 P)

M

• Manufacturing companies based in Washington, D.C. (3 C, 3 P)
• Mass media companies based in Washington, D.C. (2 C, 15 P)

P

• Plantations in Washington, D.C. (1 C)
• Privately held companies based in Washington, D.C. (2 C, 45 P)
• Public relations companies based in Washington, D.C. (8 P)

R

• Real estate companies based in Washington, D.C. (4 P)
• Retail companies based in Washington, D.C. (5 P)

S

• Software companies based in Washington, D.C. (12 P)

T

• Theatre companies in Washington, D.C. (20 P)
• Transportation companies based in Washington, D.C. (4 P)

A

• Academica Press
• The American Independent
• Aquion Energy
• Arabella Advisors
• Avalere Health

B

• Bancroft Global Development
• BBGM
• BLIGHT. Records
• Building America's Future

C

• Cassidy & Associates
• Catalist
• Clements Worldwide
• Cogent Communications
• CoStar Group
• Cresa
• Critical Gameplay

D

• The Data Incubator

E

• Endeavorist
• Events DC
• Eyeluminati

F

• Fannie Mae
• Federal Agricultural Mortgage Corporation
• Firehouse Strategies
• Free Dirt Records

G

• GMMB, Inc.

H

• HotPads

I

• Ibex Global
• Island Press

L

• Last Energy
• Liquidity Services

M

• M.T. Broyhill & Sons Corporation
• Marriott Hotels & Resorts
• Metrea
• Monumental Sports & Entertainment
• Morning Consult

P

• Page (firm)
• Pepco Holdings

R

• Revolution LLC
• RPD Energy
• RumbleUp

S

• Sanford Capital
• Sizzle Acquisition
• Social Tables
• Soundtracker (music streaming)

T

• T.T.E.D. Records
• Telenet
• Stagwell
• Tourmobile

U

• United States Postal Service

W

• WGL Holdings
• WhyHotel
• Wikistrat

Z

• Zerodium