- Garment & Linen Services, Brownsville
- Garment Pressing & Cleaners Agents, Brownsville - Laundries & Dry Cleaners
- Gas Station, Brownsville - Service & Filling Station
- General Business Consulting, Brownsville
- General Business Services, Brownsville
- General Consultants, Brownsville
- General Freight Trucking, Brownsville - Motor Freight
- General Merchandise Stores, Brownsville
- Gift Shops, Brownsville - Gift, Novelty & Souvenir Stores
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- Gifts, Cards & Stationery Stores, Brownsville
- Glass & Glass Products, Brownsville
- Glass - Auto, Float, Plate, Window & Doors, Brownsville
- Government, Brownsville
- Grocery Stores & Supermarkets, Brownsville
- Ground Transportation, Except Passenger, Brownsville
- Gun Repair & Services, Brownsville
- Guns & Gunsmith Services, Brownsville
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