- Garage Doors & Door Operating Devices, Louisburg
- Garage Doors & Gates, Louisburg - Stores & Companies - Install & Repair Services
- Garage, Door & Window Products, Louisburg
- Garbage & Rubbish Removal, Louisburg
- Garment & Linen Services, Louisburg
- Gas Station, Louisburg - Service & Filling Station
- General Business Consulting, Louisburg
- General Business Services, Louisburg
- General Consultants, Louisburg
- General Hardware Stores, Louisburg
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- General Merchandise Stores, Louisburg
- General Surgeons, Louisburg - General Surgery Doctors, Physicians & Surgeons
- General Travel Agents & Agencies, Louisburg
- Golf Courses, Louisburg
- Government, Louisburg
- Grading Contractors, Louisburg - Excavating - Excavation Companies
- Graphic Designer & Artist Services, Louisburg
- Grocery Stores & Supermarkets, Louisburg
- Ground Transportation, Except Passenger, Louisburg
- Group Homes, Louisburg
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