- Games & Hobbies, Newcastle
- Garage Doors & Gates, Newcastle - Stores & Companies - Install & Repair Services
- Garbage & Rubbish Removal, Newcastle
- Garment & Linen Services, Newcastle
- Gemologists & Jewelers, Newcastle
- General Business Services, Newcastle
- General Merchandise Stores, Newcastle
- General Travel Agents & Agencies, Newcastle
- Generators, Compressors, Pumps, Motors & Fans, Newcastle
- Gifts, Cards & Stationery Stores, Newcastle
- Glass & Glass Products, Newcastle
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- Glass - Auto, Float, Plate, Window & Doors, Newcastle
- Glass Plate Windows, Newcastle
- Golf Cars & Carts, Newcastle
- Golf Courses, Newcastle
- Government, Newcastle
- Granite, Newcastle
- Grocery Stores & Supermarkets, Newcastle
- Ground Transportation, Except Passenger, Newcastle
- Gun Repair & Services, Newcastle
- Guns & Gunsmith Services, Newcastle
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