Editing Tennessee (section)

===Business===
[[File:Oak Ridge National Laboratory Aerial View.jpg|thumb|right|alt=Aerial view of the Oak Ridge National Laboratory|Established in 1942, [[Oak Ridge National Laboratory]] is the largest national laboratory in the Department of Energy system]]

[[Economy of Tennessee#Business|Tennessee's commercial sector]] is dominated by a wide variety of companies, but its largest service industries include health care, transportation, music and entertainment, banking, and finance. Large corporations with headquarters in Tennessee include [[FedEx]], [[AutoZone]], [[International Paper]], and [[First Horizon Corporation]], all based in Memphis; [[Pilot Company|Pilot Corporation]] and [[Regal Entertainment Group]] in Knoxville; [[Hospital Corporation of America]] based in Nashville; [[Unum]] in Chattanooga; Acadia Senior Living and [[Community Health Systems]] in Franklin; Eastman Chemical headquartered in Kingsport; [[Dollar General]] in Goodlettsville, and LifePoint Health, [[Tractor Supply Company]], and [[Delek US]] in Brentwood.<ref>{{cite news|author=<!--Staff writer(s)/no by-line.-->|title=Tennessee home to 9 of world's largest companies|url=https://www.bizjournals.com/nashville/news/2011/04/22/tennessee-home-to-9-of-worlds-largest.html|work=Nashville Business Journal|date=April 22, 2011|access-date=April 10, 2021}}</ref><ref>{{cite news|last=Flessner|first=Dave|date=November 18, 2019|title=What are Tennessee's biggest businesses?|url=https://www.timesfreepress.com/news/business/aroundregion/story/2019/nov/18/whare-tennessees-biggest-businesses/508512/|work=Chattanooga Times Free Press|access-date=April 10, 2021}}</ref>

Since the 1990s, the geographical area between Oak Ridge and Knoxville has been known as the Tennessee Technology Corridor, with more than 500 high-tech firms in the region.<ref name="sherman">{{cite news |last1=Sherman |first1=Erik |title=Tennessee's Tech Corridor |url=https://www.computerworld.com/article/2596132/tennessee-s-tech-corridor.html |website=[[Computerworld]] |access-date=May 27, 2021 |date=July 27, 2000}}</ref> The [[research and development]] industry in Tennessee is also one of the largest employment sectors, mainly due to the prominence of [[Oak Ridge National Laboratory]] (ORNL) and the [[Y-12 National Security Complex]] in the city of [[Oak Ridge, Tennessee|Oak Ridge]]. ORNL conducts scientific research in [[materials science]], [[nuclear physics]], energy, [[supercomputer|high-performance computing]], [[systems biology]], and [[National security of the United States|national security]], and is the largest [[United States Department of Energy national laboratories|national laboratory]] in the [[United States Department of Energy|Department of Energy]] (DOE) system by size.<ref name=bigproblems>{{cite web |title=Solving Big Problems |url=https://www.ornl.gov/sites/default/files/solving_big_problems_130514.pdf |publisher=Oak Ridge National Laboratory |access-date=May 28, 2021 |date=June 2013}}</ref><ref>{{Cite web |url=https://www.energy.gov/sites/prod/files/2019/03/f60/doe-fy2020-laboratory-table.pdf |title=Department of Energy FY 2020 Congressional Budget Request |date=March 2019 |publisher=Department of Energy |access-date=September 30, 2020}}</ref> The technology sector is also a rapidly growing industry in Middle Tennessee, particularly in the Nashville metropolitan area.<ref>{{cite news|last=Layden|first=Melanie|date=April 6, 2021|title=Booming tech industry in Middle Tennessee|url=https://www.wsmv.com/news/booming-tech-industry-in-middle-tennessee/article_971f50ca-971d-11eb-bac7-4fa8e230a0cd.html|work=WSMV-TV|location=Nashville|access-date=April 10, 2021|archive-date=April 10, 2021|archive-url=https://web.archive.org/web/20210410080657/https://www.wsmv.com/news/booming-tech-industry-in-middle-tennessee/article_971f50ca-971d-11eb-bac7-4fa8e230a0cd.html|url-status=dead}}</ref>