Internet Service Providers (ISPs) are companies that offer access to the Internet for individuals and businesses. They provide various types of connections, such as DSL, cable, and fiber-optic, allowing users to browse websites, stream videos, and communicate online. ISPs may also offer additional services like email accounts and web hosting. ISPs operate by connecting customers to the Internet backbone, a network of high-capacity data routes. They manage the infrastructure needed for data transmission and ensure that users have a reliable connection. Different ISPs may offer varying speeds, pricing, and customer support options, making it important for consumers to choose one that meets their needs.