- Games & Hobbies, Rouyn Noranda
- Garage Building & Repair, Rouyn Noranda - Carports - Garage Builders
- Garage Door Repair, Rouyn Noranda
- Garage, Door & Window Products, Rouyn Noranda
- Garbage & Rubbish Removal, Rouyn Noranda
- Garment & Linen Services, Rouyn Noranda
- Gas Equipment Repair & Service, Rouyn Noranda
- Gas Station, Rouyn Noranda - Service & Filling Station
- General Business Consulting, Rouyn Noranda
- General Business Services, Rouyn Noranda
- General Freight Trucking, Rouyn Noranda - Motor Freight
- General Hardware Stores, Rouyn Noranda
- General Management Consulting Services, Rouyn Noranda - Management Consultants
- General Merchandise Stores, Rouyn Noranda
- General Travel Agents & Agencies, Rouyn Noranda
- Generators, Compressors, Pumps, Motors & Fans, Rouyn Noranda
- Geothermal Heating & Cooling Contractors, Rouyn Noranda - Geothermal HVAC - Installation
- Gift Shops, Rouyn Noranda - Gift, Novelty & Souvenir Stores
- Gifts, Cards & Stationery Stores, Rouyn Noranda
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- Glass & Glass Products, Rouyn Noranda
- Glass & Glazing Contractors, Rouyn Noranda
- Glass - Auto, Float, Plate, Window & Doors, Rouyn Noranda
- Glass Stained & Leaded, Rouyn Noranda
- Glass Tinting & Coating, Rouyn Noranda - Home - Car Window Tinting
- Go Carts, Rouyn Noranda
- Go Kart Tracks, Rouyn Noranda
- Golf Courses, Rouyn Noranda
- Golf Equipment & Supplies Stores, Rouyn Noranda - Golf Clubs, Balls, Carts, Bags, Apparel, Shoes & Accessories
- Golf Lessons & Instruction, Rouyn Noranda
- Gourmet Food Stores, Rouyn Noranda
- Government, Rouyn Noranda
- Granite, Rouyn Noranda
- Graphic Design Services, Rouyn Noranda - Graphic Designer
- Graphic Designer & Artist Services, Rouyn Noranda
- Grocery Stores & Supermarkets, Rouyn Noranda
- Ground Transportation, Except Passenger, Rouyn Noranda
- Gutter & Flashing Contractors, Rouyn Noranda - Metal - Copper Flashing - Gutter Cleaning & Repair Services
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