- Garage Doors & Gates, Quogue - Stores & Companies - Install & Repair Services
- Garage, Door & Window Products, Quogue
- Garbage & Rubbish Removal, Quogue
- Garment & Linen Services, Quogue
- General Business Services, Quogue
- General Management Consulting Services, Quogue - Management Consultants
- General Merchandise Stores, Quogue
- Generator Sales & Rental, Quogue - Contractors Supplies & Equipment
- Glass & Glass Products, Quogue
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- Glass & Glazing Contractors, Quogue
- Glass - Auto, Float, Plate, Window & Doors, Quogue
- Glass Stained & Leaded, Quogue
- Glass Tinting & Coating, Quogue - Home - Car Window Tinting
- Golf Course Construction, Quogue
- Golf Equipment & Supplies Stores, Quogue - Golf Clubs, Balls, Carts, Bags, Apparel, Shoes & Accessories
- Government, Quogue
- Grocery Stores & Supermarkets, Quogue
- Ground Transportation, Except Passenger, Quogue
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