- Garage, Door & Window Products, Summerland
- Garden & Lawn Sprinklers Systems – Equipment, Parts & Supplies, Summerland
- Garment & Linen Services, Summerland
- Gas Station, Summerland - Service & Filling Station
- General Business Consulting, Summerland
- General Business Services, Summerland
- General Consultants, Summerland
- General Management Consulting Services, Summerland - Management Consultants
- General Merchandise Stores, Summerland
- General Travel Agents & Agencies, Summerland
- Gifts, Cards & Stationery Stores, Summerland
- Glass & Glass Products, Summerland
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- Glass & Glazing Contractors, Summerland
- Glass - Auto, Float, Plate, Window & Doors, Summerland
- Glass Repair, Summerland - Car, Window, Auto Glass Repair
- Glass Stained & Leaded, Summerland
- Gold, Silver & Platinum Buyers, Sellers & Dealers, Summerland
- Golf Courses, Summerland
- Golf Equipment & Supplies Stores, Summerland - Golf Clubs, Balls, Carts, Bags, Apparel, Shoes & Accessories
- Government, Summerland
- Graphic Design Services, Summerland - Graphic Designer
- Graphic Designer & Artist Services, Summerland
- Grocery Stores & Supermarkets, Summerland
- Ground Transportation, Except Passenger, Summerland
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