The following list shows companies with headquarters in Washington, D.C. Fortune 500's 2022 list of largest companies includes 16 with headquarters in the D.C. region.^[1]

Companies based in Washington D.C.[edit]

A[edit]

• Albright Stonebridge Group
• Amtrak
• Arabella Advisors
• The Asia Group
• Avascent

B[edit]

• Bates White
• Beacon Global Strategies
• Blue State Digital

C[edit]

• Capstone Development
• The Carlyle Group
• COMSAT

D[edit]

• Danaher Corporation
• D.C. United Holdings
• Diego's Hair Salon
• Dutko Worldwide

E[edit]

• EAB
• EIG Global Energy Partners

F[edit]

• Fort Myer Construction
• Framebridge
• FTI Consulting
• Fundrise

G[edit]

• Gallup, Inc.
• Goddard Gunster
• Greenfield Belser

H[edit]

• HelloWallet

K[edit]

• Kiplinger
• Kramers

L[edit]

• Logik

M[edit]

• Magruder's
• MDB Communications
• Mobilize
• Moby Dick

N[edit]

• National Trust Community Investment Corporation
• NGP VAN

P[edit]

• Pepco
• Plexus Consulting Group
• Podesta Group
• Promontory Financial Group

Q[edit]

• Quadrangle Development Corporation

R[edit]

• Regnery Publishing
• Rodman's Grocery

S[edit]

• The Scowcroft Group
• Selmedica
• Smith Brandon International

U[edit]

• United Income

V[edit]

• Vodium

Z[edit]

• Zonda Home

References[edit]