- Consolidated Insurance Agency
- Consolidated Mortgage
- Consolidated Planning
- consolidated roofing ltd
- Consolidated Routing
- Consolidated Services
- Consolidated Stations
- Consolidated Technologies
- Consortium
- Construction
- Construction Concepts
- Construction Consultants
- Construction Materials
- Construction Solutions
- Construction Specialties
- Construction Supply
- Construction Technologies
- Consulate of Mexico
- Consultants
- Consulting Services
- Consumer Auto Parts
- Consumer Financial Services
- Consumer Marketing Services
- Contact Lens Center
- Contact Lens Clinic
- Container Store
- Containerport Group
- Con-Tech
- Contech Construction Products
- Contemporary Concepts
- Contemporary Hair Design
- Contemporary Services
- Continental
- Continental Airlines
- Continental Apartments
- Continental Baking CO
- Continental Barber Shop
- Continental Carbonic Products
- Continental Cleaners