- Games & Hobbies, Middleton
- Garage Door Repair, Middleton
- Garage Doors & Door Operating Devices, Middleton
- Garage Doors & Gates, Middleton - Stores & Companies - Install & Repair Services
- Garage, Door & Window Products, Middleton
- Garbage & Rubbish Removal, Middleton
- Garment & Linen Services, Middleton
- Garment Pressing & Cleaners Agents, Middleton - Laundries & Dry Cleaners
- Gas Station, Middleton - Service & Filling Station
- Gemologists & Jewelers, Middleton
- General Business Consulting, Middleton
- General Business Services, Middleton
- General Consultants, Middleton
- General Management Consulting Services, Middleton - Management Consultants
- General Merchandise Stores, Middleton
- Generators, Compressors, Pumps, Motors & Fans, Middleton
|
- Gifts, Cards & Stationery Stores, Middleton
- Golf Courses, Middleton
- Golf Driving Ranges, Middleton
- Golf Equipment & Supplies Stores, Middleton - Golf Clubs, Balls, Carts, Bags, Apparel, Shoes & Accessories
- Golf Lessons & Instruction, Middleton
- Government, Middleton
- Granite, Middleton
- Greeting Card Stores, Middleton
- Grocery Stores & Supermarkets, Middleton
- Ground Transportation, Except Passenger, Middleton
- Guide & Directory Advertising Services, Middleton
- Gun Repair & Services, Middleton
- Guns & Gunsmith Services, Middleton
- Gutters & Downspout Cleaning & Repairing, Middleton
- Gymnastics Schools, Middleton
|