- Data Processing Services, South Houston
- Decorating & Designing Services, South Houston
- Dental Clinics, South Houston
- Dentists, South Houston
- Diesel Engine, South Houston
- Diesel Engine Repair & Service, South Houston
- Discount Stores, South Houston - Clothing, Grocery, Furniture, Etc
- Dispensing Machines, South Houston
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- Doctors, Physicians & Surgeons, South Houston
- Donuts, South Houston
- Door Glass & Mirrors, South Houston
- Drinking Establishments, South Houston
- Drugs, Pharmaceutical Products & Toiletries - Wholesale & Manufacturers, South Houston
- Dry Cleaning & Laundry, South Houston - Dry Cleaners
- Drywall, Insulation & Plaster Contractors, South Houston - Installation & Repair Services
- Durable & Non Durable Goods & Products, South Houston
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