- Games & Hobbies, Monroeville
- Garage Doors & Door Operating Devices, Monroeville
- Garage Doors & Gates, Monroeville - Stores & Companies - Install & Repair Services
- Garage, Door & Window Products, Monroeville
- Garbage & Rubbish Removal, Monroeville
- Garment & Linen Services, Monroeville
- Garment Pressing & Cleaners Agents, Monroeville - Laundries & Dry Cleaners
- Gas Companies, Monroeville
- Gas Equipment Industrial, Monroeville
- Gas Station, Monroeville - Service & Filling Station
- General Business Services, Monroeville
- General Freight Trucking, Monroeville - Motor Freight
- General Hardware Stores, Monroeville
- General Merchandise Stores, Monroeville
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- General Surgeons, Monroeville - General Surgery Doctors, Physicians & Surgeons
- General Travel Agents & Agencies, Monroeville
- Gifts, Cards & Stationery Stores, Monroeville
- Glass & Glass Products, Monroeville
- Glass - Auto, Float, Plate, Window & Doors, Monroeville
- Golf Cars & Carts, Monroeville
- Government, Monroeville
- Government And Administration Attorneys & Lawyers, Monroeville
- Government Associations, Monroeville
- Grocery Stores & Supermarkets, Monroeville
- Ground Transportation, Except Passenger, Monroeville
- Guide & Directory Advertising Services, Monroeville
- Gun Repair & Services, Monroeville
- Guns & Gunsmith Services, Monroeville
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