- Games & Hobbies, Marietta
- Garage Doors & Door Operating Devices, Marietta
- Garage Doors & Gates, Marietta - Stores & Companies - Install & Repair Services
- Garage, Door & Window Products, Marietta
- Gas Companies, Marietta
- General Business Services, Marietta
- General Merchandise Stores, Marietta
- Generators, Compressors, Pumps, Motors & Fans, Marietta
- Glass & Glass Products, Marietta
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- Glass - Auto, Float, Plate, Window & Doors, Marietta
- Glass Plate Windows, Marietta
- Gold, Silver & Platinum Buyers, Sellers & Dealers, Marietta
- Government, Marietta
- Grain Elevators, Marietta
- Granite, Marietta
- Grocery Stores & Supermarkets, Marietta
- Ground Transportation, Except Passenger, Marietta
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