- Games & Hobbies, Jacksonville
- Garage Doors & Door Operating Devices, Jacksonville
- Garage Doors & Gates, Jacksonville - Stores & Companies - Install & Repair Services
- Garage, Door & Window Products, Jacksonville
- Garbage & Rubbish Removal, Jacksonville
- Garment & Linen Services, Jacksonville
- Gas Companies, Jacksonville
- Gas Engine, Jacksonville
- Gas Line Installation Contractors, Jacksonville - Gas Pipe Installation - Repair Service
- Gas Station, Jacksonville - Service & Filling Station
- General Business Consulting, Jacksonville
- General Business Services, Jacksonville
- General Consultants, Jacksonville
- General Merchandise Stores, Jacksonville
- Gift Shops, Jacksonville - Gift, Novelty & Souvenir Stores
- Gifts, Cards & Stationery Stores, Jacksonville
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- Glass & Glass Products, Jacksonville
- Glass & Glazing Contractors, Jacksonville
- Glass - Auto, Float, Plate, Window & Doors, Jacksonville
- Glass Tinting & Coating, Jacksonville - Home - Car Window Tinting
- Gold, Silver & Platinum Buyers, Sellers & Dealers, Jacksonville
- Golf Clubs Private, Jacksonville
- Golf Courses, Jacksonville
- Government, Jacksonville
- Granite, Jacksonville
- Graphic Designer & Artist Services, Jacksonville
- Grocery Stores & Supermarkets, Jacksonville
- Ground Transportation, Except Passenger, Jacksonville
- Gun Repair & Services, Jacksonville
- Guns & Gunsmith Services, Jacksonville
- Gymnastics Schools, Jacksonville
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