- Cable TV Companies & Services, Winston
- Campgrounds, Winston
- Cars, Truck, Van & SUV Car Dealerships, Winston - Auto Dealers
- Casual Dining Restaurants, Winston
- Caterers Food Services, Winston
- Central American Restaurants, Winston
- Chambers Of Commerce, Winston
- Child Care & Day Care Services, Winston
- Child Related Social Services, Winston
- Chimney & Fireplace Construction Contractors, Winston - Installation, Cleaning & Repair Services
- Chimney Cleaning & Repair, Winston - Fireplace - Chimney Sweep Services
- Chinese Restaurants, Winston
- Christian Churches, Winston
- Church Of Christ, Winston
- Church Of Jesus Christ Of Latter Day Saints, Winston
- Church Of The Nazarene, Winston
- Churches 1 Of 3, Winston
- Churches 2 Of 3, Winston
- Cigar, Cigarette & Tobacco Store & Supplies, Winston
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- City & County Administrative Agencies, Winston
- City & County Government, Winston
- Clinics, Winston
- Coffee & Tea Stores, Winston
- Commercial Equipment, Winston
- Commodity & Merchandise Storage & Warehouse, Winston - Warehousing
- Communications Services, Winston
- Community & Recreational Facilities, Winston
- Community Centers, Winston
- Community Services, Winston
- Computer & Laptop Repair, Winston - PC Repair Services
- Computer Repair, Winston
- Construction, Winston
- Construction Services, Winston
- Consultants & Services, Winston
- Convenience Stores, Winston
- Cremation Services, Supplies & Equipment, Winston
- Cultural & Regional Art, Winston
- Custom Parts & Accessories, Winston
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