- Games & Hobbies, Friday Harbor
- Garage Doors & Door Operating Devices, Friday Harbor
- Garage Doors & Gates, Friday Harbor - Stores & Companies - Install & Repair Services
- Garment & Linen Services, Friday Harbor
- Gas Companies, Friday Harbor
- Gemologists & Jewelers, Friday Harbor
- General Business Consulting, Friday Harbor
- General Business Services, Friday Harbor
- General Consultants, Friday Harbor
- General Freight Trucking, Friday Harbor - Motor Freight
- General Management Consulting Services, Friday Harbor - Management Consultants
- General Merchandise Stores, Friday Harbor
- General Travel Agents & Agencies, Friday Harbor
- Generators, Compressors, Pumps, Motors & Fans, Friday Harbor
- Geotechnical Engineer, Friday Harbor
- Geotechnical Soils Engineer, Friday Harbor
- Geothermal Heating & Cooling Contractors, Friday Harbor - Geothermal HVAC - Installation
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- Gift Shops, Friday Harbor - Gift, Novelty & Souvenir Stores
- Gifts, Cards & Stationery Stores, Friday Harbor
- Glass & Glass Products, Friday Harbor
- Glass - Auto, Float, Plate, Window & Doors, Friday Harbor
- Glass Stained & Leaded, Friday Harbor
- Golf Clubs Private, Friday Harbor
- Government, Friday Harbor
- Granite, Friday Harbor
- Graphic Design Services, Friday Harbor - Graphic Designer
- Graphic Designer & Artist Services, Friday Harbor
- Greeting Card Stores, Friday Harbor
- Grocery Stores & Supermarkets, Friday Harbor
- Ground Transportation, Except Passenger, Friday Harbor
- Gun Repair & Services, Friday Harbor
- Guns & Gunsmith Services, Friday Harbor
- Gutters & Downspout Cleaning & Repairing, Friday Harbor
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