- Game Farms, Medford
- Games & Hobbies, Medford
- Garage, Door & Window Products, Medford
- Garbage & Rubbish Removal, Medford
- Garment & Linen Services, Medford
- Gas Companies, Medford
- General Business Consulting, Medford
- General Business Services, Medford
- General Consultants, Medford
- General Hardware Stores, Medford
- General Merchandise Stores, Medford
- General Travel Agents & Agencies, Medford
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- Generators, Compressors, Pumps, Motors & Fans, Medford
- Gift Shops, Medford - Gift, Novelty & Souvenir Stores
- Gifts, Cards & Stationery Stores, Medford
- Glass & Glass Products, Medford
- Glass - Auto, Float, Plate, Window & Doors, Medford
- Golf Courses, Medford
- Government, Medford
- Grain Bins, Medford
- Grocery Stores & Supermarkets, Medford
- Ground Transportation, Except Passenger, Medford
- Gun Repair & Services, Medford
- Guns & Gunsmith Services, Medford
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