- Games & Hobbies, Sayville
- Garage Door Repair, Sayville
- Garage Doors & Door Operating Devices, Sayville
- Garage Doors & Gates, Sayville - Stores & Companies - Install & Repair Services
- Garage, Door & Window Products, Sayville
- Garbage & Rubbish Removal, Sayville
- Garden & Lawn Sprinkler Repair, Installation & Service, Sayville
- Garment & Linen Services, Sayville
- Gas Station, Sayville - Service & Filling Station
- Gemologists & Jewelers, Sayville
- General Business Services, Sayville
- General Freight Trucking, Sayville - Motor Freight
- General Merchandise Stores, Sayville
- General Travel Agents & Agencies, Sayville
- Geriatric Care Management, Sayville
|
- Gift Baskets, Sayville
- Gifts By Type & Occasion, Sayville
- Gifts, Cards & Stationery Stores, Sayville
- Glass & Glass Products, Sayville
- Glass - Auto, Float, Plate, Window & Doors, Sayville
- Gold, Silver & Platinum Buyers, Sellers & Dealers, Sayville
- Golf Courses, Sayville
- Gospel Church, Sayville
- Gourmet Food Stores, Sayville
- Government, Sayville
- Graphic Design Services, Sayville - Graphic Designer
- Graphic Designer & Artist Services, Sayville
- Grocery Stores & Supermarkets, Sayville
- Ground Transportation, Except Passenger, Sayville
|
