Internet Service Provider
Short for Internet Service Provider. An ISP is an organization that provides access to the Internet via dial-up telephone lines. Many offer major services as well such as AOL, MSN and CIS. Newcomers are offering challenges to the veterans. Phone giants AT&T, MCI and Sprint are examples. Most ISPs now provide a service to the Internet and their services for a flat monthly fee.
A business that delivers access to the Internet, usually for a monthly fee. PSI, UUNET, and Netcom are examples of established ISPs but there are thousands of smaller ones all around the world.
Any business that provides Internet services such as web sites or web site development.