- Children's amusement center
- Charity
- City courthouse
- Cannabis store
- Civil engineer
- Computer support and services
- Courier service
- Call center
- Contractor
- Crane rental agency
- Cleaning service
- Commercial photographer
- Clothing supplier
- Clothing wholesaler
- Custom t-shirt store
- Container supplier
- Condominium complex
- Cosmetic products manufacturer
- Car stereo store
- Car rental