| CCCTA | Cecil County Classroom Teachers Association 
| Others |
| CCCTA | Central Contra Costa Transit Authority
| Others |
| CCCTA | Clark County Classroom Teachers Association
| Others |
| CCCTA | Coffee County Conservation Tillage Alliance
| Others |
| CCCTA | Contra Costa County Transit Authority
| Others |
| CCCTA | Coshocton County Coordinated Transportation Agency
| Others |
| CCCTA | Culver City Christian Testimony Assembly
| Others |
| CCCTA | Current Controlled Conveyor Transconductance Amplifier
| Others |