Editing ARC (section)

==Business==
* [[Aircraft Radio Corporation]], a major avionics manufacturer from the 1920s to the '50s
* [[Airlines Reporting Corporation]], an airline-owned company that provides ticket distribution, reporting, and settlement services
* [[Airport Regions Conference]], a European organization of major airports
* [[Alignment Research Center]], an AI alignment research organization
* [[Amalgamated Roadstone Corporation]], a British stone quarrying company
* [[American Record Company]] (1904–1908, re-activated 1979), one of two United States record labels by this name
* [[American Record Corporation]] (1929–1938), a United States record label also known as American Record Company
* ARC (American Recording Company) (1978-present), a vanity label for [[Earth, Wind & Fire]]
* [[ARC Document Solutions]], a company based in California, formerly American Reprographics Company
* [[Amey Roadstone Construction]], a former British construction company
* [[Aqaba Railway Corporation]], a freight railway in Jordan
* [[ARC/Architectural Resources Cambridge, Inc.]], Cambridge, Massachusetts
* [[ARC Diversified]], a Cookeville, Tennessee non-profit that employs the severely disabled
* ARC International, a computer processor designer, and a subsidiary of [[Synopsys#ARC International|Synopsys]] 
* [[ARC Resources]], a Canadian oil and natural gas company
* [[Arena Racing Company]], a British racecourse owning group