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Companies
3,738 companies
Oberheim Electronicsbusiness
Oberlin Collegeliberal arts college, college, private not-for-profit educational institution, school, private university
Obsidian Entertainmentvideo game publisher, video game developer, business
Occidental Collegeprivate not-for-profit educational institution, organization, private university
Occidental Petroleumbusiness, public company
Ocean Casino Resorthotel
Ocean Sprayagricultural cooperative, business
OceanGate, Inc.business
OCLC, Inc.nonprofit organization, cooperative, libraryOddworld Inhabitantsvideo game developerOdyssey Marine Explorationbusiness, public company
Office Depotbusiness, retail chain, enterprise, public company
OfficeMaxbusiness, retail chain
Ogilvypublic relations agency, advertising agency
Ohio Universitypublic educational institution of the United States, public university
Ohio Valley Wrestlingbusiness, enterprise, professional wrestling promotionOikos Universityuniversity
Oklahoma State Universitypublic educational institution of the United States, land-grant university, public research university, sun grant institution
Oktasoftware company, organization, public company
Old Dominion Universitysea grant institution, public educational institution of the United States, university
Old Navybusiness
Oldsmobilecar brand, division, automobile manufacturer
Olin Corporationbusiness, enterprise, public company
Olive Gardenrestaurant chainOlmsted Brothersarchitectural firm, landscape architectural firm
Omega Aerial Refueling Servicesairline
Omni Air Internationalairline
Omnicom Groupadvertising agency, business, public companyOne America News Networknews website, television channel, organization, subscription television, cable news in the United StatesOne Race Filmsenterprise
ONErpmrecord label, music distributor, businessOni Presscomics publishing company, book publisher
Onsemibusiness, enterprise, public company
Open Librarydigital libraryOpen Road Flimsfilm production company, film distributor
OpenDNSservice on Internet, public recursive name server, business
OpenTablebusiness
Opticaassociation, open-access publisher, scientific society, academic publisher
OQObusiness, enterprise
Oracle Corporationbusiness, public company
Oral Roberts Universitychurch college, private not-for-profit educational institution, university
Orange Juliusrestaurant chain
Orbcommbusiness, public company
Orbital ATKlaunch service provider, former entity, defense contractor, aerospace manufacturer
Oregon Institute of Technologyuniversity of technology, public educational institution of the United States
Oregon State Universityresearch university, sea grant institution, space grant institution, public educational institution of the United States, land-grant university, public research university, sun grant institution, public university
Organon & Co.organization, business, public companyOrigin Systemsvideo game publisher, video game developer