https:// en.

wikipedia.org/wiki/List_of_companies_headquartered_in_Northern_Virginia

TONS OF LEADS HERE. SPOOK COUNTRY.

JUST TO NAME A FEW (There are a lot more that w3 should look into):

Iridium Communications (McLean)

Capital One (McLean)

Booz Allen Hamilton Holding Corp.(McLean)

Northrop Grumman (Falls Church)

Gannett Company (McLean)

Politico (Arlington)

Tegna, Inc. (Tysons Corner)

USA Today (McLean)

Washington Business Journal (Arlington)

Hilton Worldwide Holdings Inc. (McLean)

UberOffices (McLean)

National Rifle Association (Fairfax)

Tragedy Assistance Program for Survivors(Arlington)

United States Geospatial Intelligence Foundation (Herndon)

In-Q-Tel (Arlington)