Washington, D.C.

=== Private sector ===
{{Category see also|Category:Companies based in Washington, D.C.}}
[[File:K Street NW at 19th Street.jpg|upright=0.75|alt=Street sign for K Street, with tall office buildings in background|thumb|[[K Street (Washington, D.C.)|K Street]], historically a hub for [[lobbyist|lobbying firms]] and [[advocacy group]]s, has become a [[metonym]] for the American lobbying industry.]]
According to statistics compiled in 2011, four of the [[Fortune 500|largest 500 companies]] in the country were headquartered in Washington, D.C.<ref>{{cite news |url=https://money.cnn.com/magazines/fortune/fortune500/2011/states/DC.html |title=Fortune 500 2011: States: District Of Columbia Companies |access-date=November 12, 2011 |date=May 23, 2011 |work=[[Fortune Magazine]] |publisher=CNNMoney.com |archive-date=October 31, 2011 |archive-url=https://web.archive.org/web/20111031162201/http://money.cnn.com/magazines/fortune/fortune500/2011/states/DC.html |url-status=live }}</ref> In the 2023 [[Global Financial Centres Index]], Washington was ranked as having the 8th most competitive financial center in the world, and fourth most competitive in the United States (after [[Economy of New York City|New York City]], [[San Francisco#Economy|San Francisco]], and [[Los Angeles#Economy|Los Angeles]]).<ref>{{cite web |url=https://www.longfinance.net/media/documents/GFCI_29_Full_Report_2021.03.17_v1.1.pdf |title=The Global Financial Centres Index 29 |date=March 2021 |access-date=July 27, 2021 |archive-date=March 22, 2021 |archive-url=https://web.archive.org/web/20210322132130/https://www.longfinance.net/media/documents/GFCI_29_Full_Report_2021.03.17_v1.1.pdf |url-status=dead}}</ref> Among the largest companies headquartered in the Washington, D.C., area are [[Fannie Mae]], [[Amtrak]], [[Lockheed Martin]], [[Marriot International]], [[Hilton Worldwide]], [[Danaher Corporation]], [[FTI Consulting]], and [[Hogan Lovells]].<ref>{{Cite news |url=https://builtin.com/washington-dc/companies-in-washington-dc |title=30 Top Companies in Washington, D.C., Shaping the Nation's Business Landscape |newspaper=Built In |date=October 4, 2021 |language=en |last1=McClure |first1=Olivia |access-date=September 8, 2022 |archive-date=March 4, 2022 |archive-url=https://web.archive.org/web/20220304220913/https://builtin.com/washington-dc/companies-in-washington-dc |url-status=live }}</ref>

Due to the building height restrictions in Washington, D.C., taller buildings are able to be built in suburban [[Maryland]] and [[Virginia]]. [[Capital One Bank]], which is one of the largest banks in the country, is headquartered in nearby [[Tysons, Virginia]], a large and growing financial center located in [[Fairfax County, Virginia]]. The headquarters building for Capital One Bank, known as [[Capital One Tower (Virginia)|Capital One Tower]], is the tallest occupied building in the Washington region. In 2018, [[Amazon (company)|Amazon]] announced it would build a second headquarters building, known as HQ2, in the [[Crystal City, Virginia|Crystal City neighborhood]] of [[Arlington County, Virginia]], which is located just across the [[Potomac River]] from Washington, D.C.<ref>{{Cite news |url=https://www.npr.org/2018/11/13/665646050/amazons-grand-search-for-2nd-headquarters-ends-with-split-nyc-and-d-c-suburb |title=Amazon's Grand Search For 2nd Headquarters Ends With Split: NYC And D.C. Suburb |newspaper=NPR |date=November 13, 2018 |language=en |access-date=September 1, 2019 |last1=Selyukh |first1=Alina |archive-date=November 13, 2018 |archive-url=https://web.archive.org/web/20181113150150/https://www.npr.org/2018/11/13/665646050/amazons-grand-search-for-2nd-headquarters-ends-with-split-nyc-and-d-c-suburb |url-status=live }}</ref> In addition to [[Capital One]], some of the largest companies headquartered in [[Northern Virginia]] include [[Hilton Worldwide|Hilton]], [[Navy Federal Credit Union]], [[Mars, Incorporated|Mars]], [[Freddie Mac]], [[Northrop Grumman]], and [[General Dynamics]].<ref>{{Cite news|url=https://www.virginiabusiness.com/article/35-virginia-companies-make-2020-fortune-1000-list/|title=35 Virginia companies make 2020 Fortune 1000 list|newspaper=Virginia Business|date=May 18, 2020|language=en|last1=Lake|first1=Sydney|access-date=September 8, 2022|archive-date=February 11, 2022|archive-url=https://web.archive.org/web/20220211032653/https://www.virginiabusiness.com/article/35-virginia-companies-make-2020-fortune-1000-list/|url-status=live}}</ref>

The Washington, D.C., economy also benefits from being home to many prominent news and media organizations. Among these are ''[[The Washington Post]]'', ''[[The Washington Times]]'', ''[[Politico]]'', and ''[[The Hill (newspaper)|The Hill]]''. Television and radio media organizations either headquartered in or near the city or with large offices in the region, include [[CNN]], [[PBS]], [[C-SPAN]], [[CBS]], [[NBC]], [[Discovery Channel|Discovery]], and [[NPR]], and others. The [[Gannett]] Company, which owns ''[[USA Today]]'' and other media outlets, is headquartered in [[Tysons, Virginia]].<ref>{{Cite web|title=Gannett Company, Inc.|url=https://www.loc.gov/item/lcwaN0016970/|access-date=August 9, 2020|website=Library of Congress |archive-date=April 28, 2021|archive-url=https://web.archive.org/web/20210428133509/https://www.loc.gov/item/lcwaN0016970/|url-status=live}}</ref><ref>{{Cite web |url=https://www.cision.com/us/2019/01/top-ten-us-daily-newspapers/ |title=Top 10 U.S. Daily Newspapers |website=Cision |date=January 4, 2019 |access-date=October 26, 2019 |archive-url=https://web.archive.org/web/20190722203322/https://www.cision.com/us/2019/01/top-ten-us-daily-newspapers/ |archive-date=July 22, 2019 |url-status=dead }}</ref>