- Garbage & Rubbish Removal, Sparta
- Garment & Linen Services, Sparta
- Gas Station, Sparta - Service & Filling Station
- General Business Services, Sparta
- General Freight Trucking, Sparta - Motor Freight
- General Merchandise Stores, Sparta
- Generators, Compressors, Pumps, Motors & Fans, Sparta
- Gifts, Cards & Stationery Stores, Sparta
- Glass & Glass Products, Sparta
- Glass Block & Architectural, Sparta
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- Glass Products Manufacturers, Sparta
- Golf Courses, Sparta
- Government, Sparta
- Grocery Stores & Supermarkets, Sparta
- Ground Transportation, Except Passenger, Sparta
- Gummed Tape, Sparta
- Gun & Hunting & Fishing Clubs, Sparta
- Gun Repair & Services, Sparta
- Guns & Gunsmith Services, Sparta
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