BBC World Service | National Park Service | Internal Revenue Service | Distinguished Service Order | Special Air Service | United Parcel Service | satellite | Meritorious Service Medal (United States) | United States Postal Service | National Health Service | Meritorious Service Medal | Metropolitan Police Service | Sirius Satellite Radio | United States Forest Service | German Academic Exchange Service | Secret Intelligence Service | Immigration and Naturalization Service | Distinguished Service Cross | National Defense Service Medal | National Service | United States Secret Service | Royal Naval Air Service | National Weather Service | Agricultural Research Service | Special Broadcasting Service | Distinguished Service Cross (United States) | On Her Majesty's Secret Service (film) | On Her Majesty's Secret Service | Internet service provider | United States Foreign Service |
Satellite Business Systems, abbreviated as SBS, was a company founded by IBM, Aetna, Comsat (and later wholly purchased by IBM and then subsequently sold to MCI), that provided private professional satellite communications through its SBS fleet of FSS geosynchronous satellites, and was the first company to do so.