- Games & Hobbies, Barboursville
- Garage Doors & Door Operating Devices, Barboursville
- Garage Doors & Gates, Barboursville - Stores & Companies - Install & Repair Services
- Garage, Door & Window Products, Barboursville
- Garment & Linen Services, Barboursville
- Gas Companies, Barboursville
- Gas Station, Barboursville - Service & Filling Station
- General Business Consulting, Barboursville
- General Business Services, Barboursville
- General Consultants, Barboursville
- General Merchandise Stores, Barboursville
- General Travel Agents & Agencies, Barboursville
- Gift Shops, Barboursville - Gift, Novelty & Souvenir Stores
- Gifts, Cards & Stationery Stores, Barboursville
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- Glass & Glass Products, Barboursville
- Glass - Auto, Float, Plate, Window & Doors, Barboursville
- Glass Block & Architectural, Barboursville
- Glass Plate Windows, Barboursville
- Golf Courses, Barboursville
- Government, Barboursville
- Graphic Design Services, Barboursville - Graphic Designer
- Graphic Designer & Artist Services, Barboursville
- Greeting Card Stores, Barboursville
- Grocery Stores & Supermarkets, Barboursville
- Ground Transportation, Except Passenger, Barboursville
- Gun Repair & Services, Barboursville
- Guns & Gunsmith Services, Barboursville
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