en. wikipedia. org/wiki/Company. · . · . A company is a business organization. It is an association or collection of individual real persons and/or other companies, who each provide some form of capital. pittsburgh. about. com/cs/businesscompaniesPittsburgh Companies Guide picks: Several of the United States' major corporations call Pittsburgh home, including 84 Lumber, Alcoa, American-Eagle Outfitters, Bayer. Related Searches for companies. money. cnn. com/magazines/fortune/bestcompanies/2010FORTUNE Magazine's annual ranking of America's top 100 employers. pittsburgh. about. com/. /Major_Pittsburgh_Employers_Companies. htmMany of the United States' largest companies have a Pittsburgh presence, including Alcoa, Bayer, Calgon Carbon, Del Monte Foods, FedEx Ground, Freemarkets. //. dictionary. reference. com/browse/companiesnoun 1. a number of individuals assembled or associated together; group of people. 2. a guest or guests: We're having company for dinner. 3. an assemblage of persons. www. pittsburgh-company. comAn online business directory offering detailed information of companies in Pittsburgh, PA with reviews. www. forbes. com/global2000Apr 18, 2012 · The Forbes Global 2000 list is the definitive list of the worldâs biggest public companies from 66 countries in our composite ranking by sales, profits.