- Games & Hobbies, Saint Marys
- Garage Building & Repair, Saint Marys - Carports - Garage Builders
- Garbage & Rubbish Removal, Saint Marys
- Garment & Linen Services, Saint Marys
- Gas Station, Saint Marys - Service & Filling Station
- Gasoline, Saint Marys
- General Business Consulting, Saint Marys
- General Business Services, Saint Marys
- General Consultants, Saint Marys
- General Freight Trucking, Saint Marys - Motor Freight
- General Hardware Stores, Saint Marys
- General Management Consultants & Services, Saint Marys
|
- General Management Consulting Services, Saint Marys - Management Consultants
- General Merchandise Stores, Saint Marys
- Gifts, Cards & Stationery Stores, Saint Marys
- Golf Cars & Carts, Saint Marys
- Golf Equipment & Supplies Stores, Saint Marys - Golf Clubs, Balls, Carts, Bags, Apparel, Shoes & Accessories
- Golf Equipment Repair & Sales, Saint Marys - Clubs, Carts, Bags & More
- Government, Saint Marys
- Grain Elevators, Saint Marys
- Grocery Stores & Supermarkets, Saint Marys
- Ground Transportation, Except Passenger, Saint Marys
- Gun Repair & Services, Saint Marys
- Guns & Gunsmith Services, Saint Marys
|