In computer field, a satellite computer is a remote computer usually under the control of a host computer. Nowadays, internet can also be accessesed through the satellite service. This is mainly useful in mobile units like ships and in remote places where other terrestrial services are not available. In addition to that the satellite service is a very reliable source at times of interruption of land services. Dish antennas are used for the reception and transmission of the signal. Satellite internet is susceptible to hacking and a firewall is essential to prevent such attempts. Latency in the transfer of data hinders the satellite users from interactive use.
| DISH Network The public company delivers direct broadcast satellite television products and services to customers nationwide. |
| N2YO.com Web application that does live real time satellite and space shuttle tracking and predictions. |
| Satcomms.com Provides satellite communication service and handheld satellite solutions to the customers. |
| Satellite Superstore Offers satellite systems, dishes, satellite receivers, motorized satellite dishes, expert advice, satellite accessories, installation equipment, and more. |
| Satellite Technology Provides mobile satellite uplink services based in Chicago. |
| Sirius Satellite Radio Original music satellite radio service brings live play-by-play sports, talk, music, entertainment and news. |
| Sky.com Source for news, sports, entertainment, search, email, information and advice on money, motoring, style, travel and more. |
| Surey Satellite Technology Research and development company working with the Surrey Space Centre at the University of Surrey's satellite engineering research group to provide rapid and cost-effective satellite missions. |
| TerraServer-USA Online database providing public access to a vast data store of maps and aerial photographs of the United States. |
| XM Satellite Radio America's satellite radio service with wide range of channels and featuring the news, sports, talk, and entertainment. |
