- Games & Hobbies, Schulenburg
- Garage, Door & Window Products, Schulenburg
- Garment & Linen Services, Schulenburg
- Gas & Air Compressors, Schulenburg
- Gas Station, Schulenburg - Service & Filling Station
- General Business Consulting, Schulenburg
- General Business Services, Schulenburg
- General Consultants, Schulenburg
- General Freight Trucking, Schulenburg - Motor Freight
- General Management Consulting Services, Schulenburg - Management Consultants
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- General Merchandise Stores, Schulenburg
- Generators, Compressors, Pumps, Motors & Fans, Schulenburg
- Gifts, Cards & Stationery Stores, Schulenburg
- Glass & Glass Products, Schulenburg
- Glass - Auto, Float, Plate, Window & Doors, Schulenburg
- Government, Schulenburg
- Grocery Stores & Supermarkets, Schulenburg
- Ground Transportation, Except Passenger, Schulenburg
- Gun Repair & Services, Schulenburg
- Guns & Gunsmith Services, Schulenburg
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