| Acronym | Definition |
|---|
| CCIWG➣carbon cycle interagency working group |
| CCIWG➣Configuration, Control & Inspection Working Group (computing; SystemC) |
| CCIWG➣CAIRNS Cataloguing and Indexing Working Group |
| CCIWG➣Call Control Interoperability Working Group |
| CCIWG➣Command Center Integration Working Group |