- Games & Hobbies, Jacksonville
- Garage Building & Repair, Jacksonville - Carports - Garage Builders
- 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 Station, Jacksonville - Service & Filling Station
- General Business Consulting, Jacksonville
- General Business Services, Jacksonville
- General Consultants, Jacksonville
- General Freight Trucking, Jacksonville - Motor Freight
- General Hardware Stores, Jacksonville
- General Management Consulting Services, Jacksonville - Management Consultants
- General Merchandise Stores, Jacksonville
- General Travel Agents & Agencies, Jacksonville
- Generator Sales & Rental, Jacksonville - Contractors Supplies & Equipment
- Gift Shops, Jacksonville - Gift, Novelty & Souvenir Stores
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- Gifts, Cards & Stationery Stores, Jacksonville
- Glass & Glass Products, Jacksonville
- Glass - Auto, Float, Plate, Window & Doors, Jacksonville
- Glass Stained & Leaded, Jacksonville
- Golf Courses, Jacksonville
- Golf Equipment & Supplies Stores, Jacksonville - Golf Clubs, Balls, Carts, Bags, Apparel, Shoes & Accessories
- Gourmet Restaurants, Jacksonville
- Government, Jacksonville
- Government Contract & Relations Consultants, Jacksonville
- Government Information & Offices Miscellaneous, Jacksonville
- Grain Bins, Jacksonville
- Greeting Card Stores, 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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