- Games & Hobbies, Gainesville
- Garage Doors & Door Operating Devices, Gainesville
- Garage Doors & Gates, Gainesville - Stores & Companies - Install & Repair Services
- Garage, Door & Window Products, Gainesville
- Garment & Linen Services, Gainesville
- Gas Station, Gainesville - Service & Filling Station
- Gastroenterologists, Gainesville - GI Doctors, Physicians & Surgeons (Gastroenterology)
- Gemologists & Jewelers, Gainesville
- General Business Consulting, Gainesville
- General Business Services, Gainesville
- General Consultants, Gainesville
- General Hardware Stores, Gainesville
- General Management Consulting Services, Gainesville - Management Consultants
- General Merchandise Stores, Gainesville
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- General Travel Agents & Agencies, Gainesville
- Gifts, Cards & Stationery Stores, Gainesville
- Glass & Glass Products, Gainesville
- Glass & Glazing Contractors, Gainesville
- Glass - Auto, Float, Plate, Window & Doors, Gainesville
- Glass Repair, Gainesville - Car, Window, Auto Glass Repair
- Golf Clubs Private, Gainesville
- Golf Courses, Gainesville
- Golf Equipment & Supplies Stores, Gainesville - Golf Clubs, Balls, Carts, Bags, Apparel, Shoes & Accessories
- Government, Gainesville
- Greeting Card Stores, Gainesville
- Grocery Stores & Supermarkets, Gainesville
- Ground Transportation, Except Passenger, Gainesville
- Gymnastics Schools, Gainesville
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