- Games & Hobbies, New London
- Garage Building & Repair, New London - Carports - Garage Builders
- Garage Doors & Door Operating Devices, New London
- Garage Doors & Gates, New London - Stores & Companies - Install & Repair Services
- Garage, Door & Window Products, New London
- Garbage & Rubbish Removal, New London
- Garment & Linen Services, New London
- Gas Equipment & Supplies, New London
- Gas Station, New London - Service & Filling Station
- Gastroenterologists, New London - GI Doctors, Physicians & Surgeons (Gastroenterology)
- Gate & Fence Repair, New London
- Gemstone Jewelers, New London
- General Business Consulting, New London
- General Business Services, New London
- General Consultants, New London
- General Management Consulting Services, New London - Management Consultants
- General Merchandise Stores, New London
- General Travel Agents & Agencies, New London
- Generator Sales & Rental, New London - Contractors Supplies & Equipment
- Generators, Compressors, Pumps, Motors & Fans, New London
- Gift Baskets, New London
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- Gift Shops, New London - Gift, Novelty & Souvenir Stores
- Gifts By Type & Occasion, New London
- Gifts, Cards & Stationery Stores, New London
- Glass & Glass Products, New London
- Glass & Glazing Contractors, New London
- Glass - Auto, Float, Plate, Window & Doors, New London
- Glass Giftware, New London
- Glass Plate Windows, New London
- Glass Stained & Leaded, New London
- Glass Tinting & Coating, New London - Home - Car Window Tinting
- Gold, Silver & Platinum Buyers, Sellers & Dealers, New London
- Gourmet Food Stores, New London
- Government, New London
- Graphic Design Services, New London - Graphic Designer
- Graphic Designer & Artist Services, New London
- Greek Churches, New London
- Greeting Card Stores, New London
- Grocery Stores & Supermarkets, New London
- Ground Transportation, Except Passenger, New London
- Gun Repair & Services, New London
- Guns & Gunsmith Services, New London
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