- Games & Hobbies, Saint John
- Garbage & Rubbish Removal, Saint John
- Garment & Linen Services, Saint John
- Gas Station, Saint John - Service & Filling Station
- General Business Consulting, Saint John
- General Business Services, Saint John
- General Consultants, Saint John
- General Merchandise Stores, Saint John
- Gifts, Cards & Stationery Stores, Saint John
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- Glass & Glass Products, Saint John
- Glass - Auto, Float, Plate, Window & Doors, Saint John
- Golf Courses, Saint John
- Gourmet Restaurants, Saint John
- Government, Saint John
- Greeting Card Stores, Saint John
- Grocery Stores & Supermarkets, Saint John
- Ground Transportation, Except Passenger, Saint John
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