- Cabinetmaker
- Cabinetmaker, Millman
- Cable Installer-Repairer
- Cable Splicer
- Cable Television Installer
- Calibration Laboratory Technician
- Camera Operator (Motion Picture; Radio-TV Broad)
- Camera Repairer
- Canvas Worker
- Canvas Worker
- Car Repairer
- Career Development Professional
- Carpenter
- Carpenter
- Carpenter
- Carpenter
- Carpenter (Combat Engineer)
- Carpenter (Construction)
- Carpenter HY
- Carpenter, Acoustic