- Caraustar
- Carbone's Pizzeria
- Carburetor Exchange
- Card & Party Factory
- Card Connection
- Card Mart
- Carddine Spas Escondido Wholesale
- Cardinal Builders
- Cardinal Camera
- Cardinal Cleaners
- Cardinal Construction
- Cardinal Fitness
- Cardinal Self Storage
- Cardinal Services
- Cardiology Consultants of Philadelphia
- Cardiology Consultants PA
- Cardiovascular Associates PC
- Cardsmart
- Cardtronics
- Care Ambulance Service
- Care Center
- Care Cleaners
- Care Connection
- Care Entree
- Care Net
- Care Net Pregnancy Center
- Care Now
- Career Blazers
- Career Center
- Career Concepts
- Career Connections
- Career Consultants
- Career Development Center
- Career Options
- Career Solutions
- Career Strategies
- Careerlink
- Careers USA
- Careerstaff Unlimited