List of companies headquartered in Northern Virginia

This is a list of notable companies headquartered in Northern Virginia.

The majority of the following companies are located in Fairfax County and Loudoun County the most populous jurisdictions in Northern Virginia, Virginia state, and the Baltimore-Washington metropolitan area.

Some of the following companies may only derive a minority of their income from government contracting, but are listed here for organizational purposes.

Professional/trade organizations These are companies based outside the U.S. with a division headquartered in Northern Virginia.

The following companies have major regional offices located in the Dulles Technology Corridor:

Tysons Corner has more Fortune 500 company headquarters than Washington, D.C. [ 1 ]
M&M's , one of several lines of snacks made by Mars, Incorporated
The Capital One Tower in Tysons is the tallest habitable building the Washington region.
The General Dynamics F-16 , originally designed in the 1970s, is still in use by air forces around the world.
Northrop Grumman is the primary contractor for the James Webb Space Telescope , the successor to the Hubble Space Telescope and Spitzer Space Telescope .
.com is one of several top-level domains operated by Verisign .
Gannett Company is the largest newspaper publisher in the nation, and the largest owner of CBS and NBC affiliate TV stations .
Hilton Worldwide manages over 750,000 hotel rooms.
Headquarters of Boeing in Crystal City, Virginia
Many of the region's non-profit organizations are based in Arlington .
Intelsat's administrative headquarters in Tysons