- Games & Hobbies, Washington
- Garage Doors & Door Operating Devices, Washington
- Garage Doors & Gates, Washington - Stores & Companies - Install & Repair Services
- Garage, Door & Window Products, Washington
- Garden & Lawn Sprinkler Repair, Installation & Service, Washington
- Garment & Linen Services, Washington
- Gas Appliance Repair, Maintenance & Service, Washington
- Gas Companies, Washington
- Gas Detection, Asbestos & Lead Contractors, Washington
- Gas Equipment Industrial, Washington
- Gas Station, Washington - Service & Filling Station
- Gears, Washington
- Gears & Gear Cutting, Washington
- General Business Services, Washington
- General Freight Trucking, Washington - Motor Freight
- General Hardware Stores, Washington
- General Management Consulting Services, Washington - Management Consultants
- General Merchandise Stores, Washington
- General Travel Agents & Agencies, Washington
- Generator Sales & Rental, Washington - Contractors Supplies & Equipment
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- Geothermal Heating & Cooling Contractors, Washington - Geothermal HVAC - Installation
- Gift Shops, Washington - Gift, Novelty & Souvenir Stores
- Gifts, Cards & Stationery Stores, Washington
- Glass & Glass Products, Washington
- Glass & Glazing Contractors, Washington
- Glass - Auto, Float, Plate, Window & Doors, Washington
- Glass Plate Windows, Washington
- Glass Tinting & Coating, Washington - Home - Car Window Tinting
- Gold, Silver & Platinum Buyers, Sellers & Dealers, Washington
- Golf Clubs Private, Washington
- Golf Courses, Washington
- Gourmet Restaurants, Washington
- Government, Washington
- Grain Brokers, Washington
- Greeting Card Stores, Washington
- Grills & Grilling Equipment & Supplies, Washington
- Grocery Stores & Supermarkets, Washington
- Ground Transportation, Except Passenger, Washington
- Gun Repair & Services, Washington
- Guns & Gunsmith Services, Washington
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