- Gambling & Lottery Services, West Jefferson
- Garage Doors & Door Operating Devices, West Jefferson
- Garage Doors & Gates, West Jefferson - Stores & Companies - Install & Repair Services
- Garage, Door & Window Products, West Jefferson
- Gas Station, West Jefferson - Service & Filling Station
- General Business Services, West Jefferson
- General Freight Trucking, West Jefferson - Motor Freight
- General Hardware Stores, West Jefferson
- General Merchandise Stores, West Jefferson
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- Gifts, Cards & Stationery Stores, West Jefferson
- Golf Courses, West Jefferson
- Government, West Jefferson
- Grain Elevators, West Jefferson
- Grain Warehousing & Storage, West Jefferson
- Grocery Stores & Supermarkets, West Jefferson
- Ground Transportation, Except Passenger, West Jefferson
- Gun Repair & Services, West Jefferson
- Guns & Gunsmith Services, West Jefferson
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