- Games & Hobbies, Newark
- Garage Door Repair, Newark
- Garage, Door & Window Products, Newark
- Garbage & Rubbish Removal, Newark
- Garment & Linen Services, Newark
- Gas Equipment & Supplies, Newark
- Gas Equipment & Supplies, Newark - Gas Piping
- Gas Station, Newark - Service & Filling Station
- Gemologists & Jewelers, Newark
- General Business Consulting, Newark
- General Business Services, Newark
- General Consultants, Newark
- General Freight Trucking, Newark - Motor Freight
- General Management Consulting Services, Newark - Management Consultants
- General Merchandise Stores, Newark
- General Travel Agents & Agencies, Newark
- Gift Baskets, Newark
- Gift Shops, Newark - Gift, Novelty & Souvenir Stores
- Gifts By Type & Occasion, Newark
- Gifts, Cards & Stationery Stores, Newark
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- Glass & Glass Products, Newark
- Glass - Auto, Float, Plate, Window & Doors, Newark
- Glass Decorative, Newark
- Glass Engravers, Newark
- Glass Making & Working Machinery, Newark
- Glass Plate Windows, Newark
- Glass Products Manufacturers, Newark
- Glass, Plastic & Rubber Working Machinery, Newark
- Gold, Silver & Platinum Buyers, Sellers & Dealers, Newark
- Government, Newark
- Graphic Design Services, Newark - Graphic Designer
- Graphic Designer & Artist Services, Newark
- Greek Restaurants, Newark
- Greeting Card Stores, Newark
- Grinding Services, Newark
- Grocery Stores & Supermarkets, Newark
- Ground Transportation, Except Passenger, Newark
- Gun Repair & Services, Newark
- Guns & Gunsmith Services, Newark
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