- Garbage & Rubbish Removal, Wadena
- Garment & Linen Services, Wadena
- Gas Companies, Wadena
- Gas Station, Wadena - Service & Filling Station
- General Business Services, Wadena
- General Freight Trucking, Wadena - Motor Freight
- General Hardware Stores, Wadena
- General Merchandise Stores, Wadena
- General Surgeons, Wadena - General Surgery Doctors, Physicians & Surgeons
- General Travel Agents & Agencies, Wadena
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- Gifts, Cards & Stationery Stores, Wadena
- Glass & Glass Products, Wadena
- Glass - Auto, Float, Plate, Window & Doors, Wadena
- Golf Courses, Wadena
- Government, Wadena
- Grocery Stores & Supermarkets, Wadena
- Ground Transportation, Except Passenger, Wadena
- Gun Repair & Services, Wadena
- Guns & Gunsmith Services, Wadena
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