- Games & Hobbies, Murphysboro
- Garage Building & Repair, Murphysboro - Carports - Garage Builders
- Gas Station, Murphysboro - Service & Filling Station
- Gasoline, Murphysboro
- General Business Services, Murphysboro
- General Freight Trucking, Murphysboro - Motor Freight
- General Merchandise Stores, Murphysboro
- General Surgeons, Murphysboro - General Surgery Doctors, Physicians & Surgeons
- General Travel Agents & Agencies, Murphysboro
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- Geothermal Heating & Cooling Equipment, Systems & Supplies, Murphysboro
- Glass & Glass Products, Murphysboro
- Glass - Auto, Float, Plate, Window & Doors, Murphysboro
- Government, Murphysboro
- Grills & Grilling Equipment & Supplies, Murphysboro
- Grocery Stores & Supermarkets, Murphysboro
- Ground Transportation, Except Passenger, Murphysboro
- Gun Repair & Services, Murphysboro
- Guns & Gunsmith Services, Murphysboro
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