List of Internet Service Provider Companies

List of the top internet service provider companies in the world, listed by their prominence with corporate logos when available. This list of major internet service provider companies includes the largest and most profitable internet service provider businesses, corporations, agencies, vendors and firms in the world. If you are wondering what the biggest internet service provider companies are, then this list has you covered. This list includes the most famous internet service provider companies in the industry, so if you're thinking of working in the internet service provider industry you might want to look to these companies for jobs. This list includes names of both small and big internet service provider businesses.

This list includes AOL, EarthLink and more.

This list answers the questions, "What are the biggest internet service provider companies in the world?" and "What are the most successful internet service provider companies?"
Ranked by
  • Ace Communication Group
    Telecommunications, Digital television, Internet service provider
    Ace Telephone, operating more recently as Ace Communication Group is a telephone cooperative headquartered in Houston, Minnesota. It is a telephone company which also offers local and long distance, ...more
  • AOL
    Mass media, Telecommunications, Technology
    AOL Inc. is an American multinational mass media corporation based in New York City which develops, grows, and invests in brands and web sites. The company's business spans digital distribution of ...more
  • AS Starman
    Voice over IP, Cable television, Internet service provider
    Starman is an Estonian cable television, VOIP telephony, and ISP company founded in 1992 and located in Tallinn. The company has been listed as SMN1T on the Tallinn Stock Exchange since 17 June 2006.
  • Bell Internet

    Bell Internet

    Internet service provider
    Bell Internet, originally and frequently still called Sympatico, is the residential Internet service provider division of Bell Canada. As of May 3, 2012, Bell Internet has over 3 million subscribers ...more
  • BigPond
    Telecommunications, Electronic media, Internet service provider
    BigPond is an Australian Internet service provider and is a product of Telstra. BigPond is Australia's largest ISP and based in Melbourne. The BigPond brand is in the process of being discontinued.
  • Cavalier Telephone
    Telecommunications, Internet service provider
    Cavalier Telephone, is an American Local Exchange Carrier company, owned by parent company Windstream Communications operating in 16 states and DC throughout the eastern US. Cavalier founded in 1998, ...more