3,738Companies and economic data 3,738 companies · 8 countriesSee all →
O'Reilly Auto Partsbusiness, public company
O'Sheascasino
O.F. Mossberg & Sonsbusiness, enterprise
Oakland Motor Car Companyautomobile manufacturer
Oakland Universitypublic educational institution of the United States, university
Oakley, Inc.business, subsidiary company, enterprise
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, libraryOOddworld Inhabitantsvideo game developerOOdyssey 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 promotionOOikos 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 chainOOlmsted Brothersarchitectural firm, landscape architectural firm
Omega Aerial Refueling Servicesairline
Omni Air Internationalairline
Omnicom Groupadvertising agency, business, public companyOOne America News Networknews website, television channel, organization, subscription television, cable news in the United StatesOOne Race Filmsenterprise
ONErpmrecord label, music distributor, businessOOni Presscomics publishing company, book publisher
Onsemibusiness, enterprise, public company
Open Librarydigital libraryOOpen 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 companyOOrigin Systemsvideo game publisher, video game developer
Original Filmfilm production company
Orion Picturesfilm production company, business
Osborne Computer Corporationbusiness
Oscar Mayerbusiness
Oshkosh Corporationbusiness, enterprise, public company
OTC Markets Groupinter-dealer quotation system, stock exchange, public companyOOTCBBstock exchange, business
Otis Worldwide Corporationbusiness, public company
Outerbanks Entertainmenttelevision production company, film production company
Ovation Guitar CompanybusinessOOverbrook Entertainmentbusiness
Overland Automobilebusiness, automobile manufacturer
Ovintivpublic company
Owens Corningbusiness, public company
Owens-Illinoisorganization, business, enterprise, public company
O’Reilly Mediabook publisher, publishing house