- Game & Wildlife Consultants, Nelson
- Games & Hobbies, Nelson
- Garage, Door & Window Products, Nelson
- Garbage & Rubbish Removal, Nelson
- Garden & Lawn Sprinklers Systems – Equipment, Parts & Supplies, Nelson
- Garment & Linen Services, Nelson
- Gas Appliance Repair, Maintenance & Service, Nelson
- Gas Equipment & Supplies, Nelson
- Gas Station, Nelson - Service & Filling Station
- Gemologist, Nelson
- Gemologists & Jewelers, Nelson
- General Business Consulting, Nelson
- General Business Services, Nelson
- General Consultants, Nelson
- General Hardware Stores, Nelson
- General Management Consulting Services, Nelson - Management Consultants
- General Merchandise Stores, Nelson
- General Travel Agents & Agencies, Nelson
- Generators, Compressors, Pumps, Motors & Fans, Nelson
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- Geotechnical Engineer, Nelson
- Gifts, Cards & Stationery Stores, Nelson
- Glass & Glass Products, Nelson
- Glass - Auto, Float, Plate, Window & Doors, Nelson
- Glass Decorative, Nelson
- Glass Engravers, Nelson
- Golf Courses, Nelson
- Golf Driving Ranges, Nelson
- Golf Equipment & Supplies Stores, Nelson - Golf Clubs, Balls, Carts, Bags, Apparel, Shoes & Accessories
- Golf Lessons & Instruction, Nelson
- Government, Nelson
- Graphic Design Services, Nelson - Graphic Designer
- Graphic Designer & Artist Services, Nelson
- Greek Restaurants, Nelson
- Greeting Card Stores, Nelson
- Grocery Stores & Supermarkets, Nelson
- Ground Transportation, Except Passenger, Nelson
- Gun & Hunting & Fishing Clubs, Nelson
- Gymnastic Clubs, Nelson
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