- Garment & Linen Services, Wallaceburg
- Gas Station, Wallaceburg - Service & Filling Station
- General Business Consulting, Wallaceburg
- General Business Services, Wallaceburg
- General Consultants, Wallaceburg
- General Hardware Stores, Wallaceburg
- General Merchandise Stores, Wallaceburg
- General Travel Agents & Agencies, Wallaceburg
- Gifts, Cards & Stationery Stores, Wallaceburg
- Glass & Glass Products, Wallaceburg
|
- Glass - Auto, Float, Plate, Window & Doors, Wallaceburg
- Golf Courses, Wallaceburg
- Golf Driving Ranges, Wallaceburg
- Gospel Church, Wallaceburg
- Government, Wallaceburg
- Grain Elevators, Wallaceburg
- Grocery Stores & Supermarkets, Wallaceburg
- Ground Transportation, Except Passenger, Wallaceburg
- Gun & Hunting & Fishing Clubs, Wallaceburg
- Gutter & Flashing Contractors, Wallaceburg - Metal - Copper Flashing - Gutter Cleaning & Repair Services
|