Vectors
- Carpet Hygenix
- Catholic Daughters of the Americas
- CDC
- Cellcom
- Centennial Tires
- Centron International
- Charley Brown's
- Charlie Brown's
- Charlotte Motor Speedway
- Checker
- Cheng Shin
- CTIC
- CTIC
- Children's Orchard
- Childtime
- Clara Stover
- Clarion
- Claris
- Sportsman Nationals
- Classic Sports
- Classica
- Clopay
- Cobra Exhaust
- Cobra King