- Cardiologist
- Crêperie
- Coffee shop
- Closed circuit television
- Cable company
- Computer service
- Car dealer
- Custom label printer
- Copying supply store
- Chophouse restaurant
- Candy store
- Cell phone accessory store
- Cruise agency
- Computer training school
- Credit union
- Chemical manufacturer
- City Hall
- Career guidance service
- Countertop store
- Chemistry lab