- Games & Hobbies, Oroville
- Garbage & Rubbish Removal, Oroville
- Garden & Lawn Sprinklers Systems – Equipment, Parts & Supplies, Oroville
- Gas Station, Oroville - Service & Filling Station
- Gas Tanks Automotive, Oroville
- General Business Consulting, Oroville
- General Business Services, Oroville
- General Consultants, Oroville
- General Freight Trucking, Oroville - Motor Freight
- General Hardware Stores, Oroville
- General Merchandise Stores, Oroville
- Generators, Compressors, Pumps, Motors & Fans, Oroville
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- Gifts By Type & Occasion, Oroville
- Gifts, Cards & Stationery Stores, Oroville
- Glass & Glass Products, Oroville
- Glass - Auto, Float, Plate, Window & Doors, Oroville
- Golf Courses, Oroville
- Golf Equipment & Supplies Stores, Oroville - Golf Clubs, Balls, Carts, Bags, Apparel, Shoes & Accessories
- Gospel Church, Oroville
- Government, Oroville
- Greeting Card Stores, Oroville
- Grocery Stores & Supermarkets, Oroville
- Ground Transportation, Except Passenger, Oroville
- Guest Houses & Ranches, Oroville
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