- Gambling & Lottery Services, West Greenwich
- Gambling Supplies & Equipment, West Greenwich - Slot Machines, Roulette wheel, Poker Sets, Bingo Supplies, etc
- Garage Doors & Door Operating Devices, West Greenwich
- Garage Doors & Gates, West Greenwich - Stores & Companies - Install & Repair Services
- Garage, Door & Window Products, West Greenwich
- Garbage & Rubbish Removal, West Greenwich
- Garden & Lawn Sprinkler Repair, Installation & Service, West Greenwich
- Gas Station, West Greenwich - Service & Filling Station
- General Business Consulting, West Greenwich
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- General Business Services, West Greenwich
- General Consultants, West Greenwich
- General Freight Trucking, West Greenwich - Motor Freight
- General Merchandise Stores, West Greenwich
- Generators, Compressors, Pumps, Motors & Fans, West Greenwich
- Government, West Greenwich
- Graphic Design Services, West Greenwich - Graphic Designer
- Graphic Designer & Artist Services, West Greenwich
- Ground Transportation, Except Passenger, West Greenwich
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