- Cafe Restaurants, Wellsburg
- Can Dealers, Wellsburg
- Car Tune Up Service, Wellsburg - Auto Tune Up
- Carpet, Rug & Linoleum Flooring Dealers, Wellsburg
- Cars, Truck, Van & SUV Car Dealerships, Wellsburg - Auto Dealers
- Casual Dining Restaurants, Wellsburg
- Caterers Food Services, Wellsburg
- Chambers Of Commerce, Wellsburg
- Charitable & Non-Profit Organizations, Wellsburg
- Chemical Product Manufacturers, Wellsburg
- Child Care & Day Care Services, Wellsburg
- Child Related Social Services, Wellsburg
- Chiropractor, Wellsburg
- Christian Churches, Wellsburg
- Church Of Christ, Wellsburg
- Church Of The Nazarene, Wellsburg
- Churches 1 Of 3, Wellsburg
- City & County Administrative Agencies, Wellsburg
- City & County Government, Wellsburg
- City & County Law Enforcement, Wellsburg
- Clinics, Wellsburg
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- CNC Machine Shop, Wellsburg
- Coffee & Tea Stores, Wellsburg
- Coin Dealers & Supplies , Wellsburg
- Colleges & Universities, Wellsburg
- Commercial Equipment, Wellsburg
- Commercial Printing Manufacturers, Wellsburg
- Communications Services, Wellsburg
- Community & Recreational Facilities, Wellsburg
- Community Services, Wellsburg
- Computer & Software Stores, Wellsburg
- Computer Supplies, Parts, Equipments & Accessories, Wellsburg
- Construction, Wellsburg
- Construction Equipment Rental & Leasing, Wellsburg
- Construction Services, Wellsburg
- Consultants & Services, Wellsburg
- Contact Lenses, Wellsburg
- Convenience Stores, Wellsburg
- Cooling System & Parts, Wellsburg - Antifreeze, Radiator, Water Pump, Fan, Hoses, Belts, etc
- County Police, Wellsburg
- Craft Supplies, Wellsburg - Hobby & Craft Stores
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