ISP

Internet service provider (ISP) is an organization that provides services for accessing, using, or participating in the Internet.

Snippet from Wikipedia: Internet service provider

An Internet service provider (ISP) is an organization that provides myriad services related to accessing, using, managing, or participating in the Internet. ISPs can be organized in various forms, such as commercial, community-owned, non-profit, or otherwise privately owned.

Internet services typically provided by ISPs can include internet access, internet transit, domain name registration, web hosting, and colocation.