| Subject | English | Thesaurus |
| abbr., IT | Backplane Communication Services | BCS |
| busin., abbr. | Communication And Technology Services | CATS |
| abbr., comp., net. | Communication Platform Services | CPS |
| mil., abbr. | Communication Services | CS |
| comp., net., abbr. | Fipa Agent Communication Technologies And Services | FACTS |
| abbr., scottish | Information Communication Services | ICS |
| comp., abbr. | Integrated Communication Services | ICS |
| abbr., nautic. | Marine Communication and Traffic Services | MCTS (Venita) |
| telecom., abbr. | NetWare Asynchronous Communication Services | NACS (NetWare) |
| comp., net., abbr. | Netware Asynchronous Communication Services | NACS |
| comp., abbr. | Personal Communication Services | PCS |
| abbr., file.ext. | Personal Communication Services/System | PCS |
| IT, abbr. | Programmable WorkStation Communication Services | PWSCS |
| telecom., abbr. | Wireless Communication Services | WCS |
