- Crunch
- Crunch Fitness
- Crusader rent to own
- Crye-Leike Realtors
- Crystal Ballroom
- Crystal Beauty Salon
- Crystal Cafe
- Crystal Clean
- Crystal Clean Car Wash
- Crystal Cleaners
- Crystal Clear Cleaners
- Crystal Clear Communications
- Crystal Clear Pools
- Crystal Clear Water
- Crystal Clear Window Cleaning
- Crystal Flash Petroleum Corporation
- Crystal Garden
- Crystal Inn
- Crystal Lake Apartments
- Crystal Nail
- Crystal Palace
- Crystal Pools
- Crystal Vision Center
- Crystal Water
- Crystal's
- CSK Auto
- CSX Transportation
- C-Tech
- CTI
- C-Town
- CTS
- CTX Mortgage Company
- Cub Foods
- Cub Pharmacy
- Cubby Hole
- Cuckoo's Nest
- Cuffs Drycleaners
- Cuisine of India
- Culligan Soft Water Service