| Abbreviation | Definition |
|---|---|
| C3 | Christian City Church |
| CABC | College Avenue Baptist Church |
| CABC | Colonial Avenue Baptist Church |
| CABC | Columbus Avenue Baptist Church |
| CACC | Capital Area Christian Church |
| CACV | Christian Alliance Church of Victoria |
| CACW | Chinese Alliance Church of Westchester |
| CAIC | Council of African Independent Churches |
| CAIN | Churches Active in Northside |
| CALM | Christ Abiding Lighthouse Ministries |
| CANC | Catholic Apostolic National Church |
| CARITAS | Churches Around Richmond Involved To Assure Shelter |
| CASA | Church's Auxiliary for Social Action |
| CASM | Church at South Mountain |
| CATC | Church at the Cross |
| CATH | Church Action for The Homeless |
| CATH | Churches Action for the Homeless |
| CATM | Church At The Mission |
| CAUCE | Connecticut Association of United Church Educators |
| CAV | Church at Viera |