- Tank & Pipe Contractors, Prairieville
- Tanks Installation, Repair & Removal, Prairieville - Water, Fuel & Septic Tank
- Tanning Salons, Prairieville
- Tanning Supplies & Equipment, Prairieville
- Tattooing, Prairieville
- Tax Services, Prairieville
- Telecommunications, Prairieville
- Tents, Canopies & Awnings, Prairieville
- Thrift Stores, Resale & Consignment Shops, Prairieville
- Tire Repair, Recapping & Retread, Prairieville
- Tires - Wholesale & Retail, Prairieville
- Title & Surety Insurance, Prairieville
- Title Companies, Prairieville - Title Search, Service & Abstract Company
- Tools & Hardware Supplies, Prairieville
- Tourist Attractions, Prairieville
- Towing Service, Prairieville
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- Toy Stores, Prairieville
- Tractor Repair & Service, Prairieville
- Trailer Parks & Campsites, Prairieville
- Transportation, Prairieville
- Transportation Facilities & Services, Prairieville
- Transportation Rental & Leasing, Prairieville
- Travel & Tourism, Prairieville
- Travel Arrangement & Services, Prairieville
- Tree & Shrub Transplanting & Removal, Prairieville
- Tropical & Saltwater Fish Stores, Prairieville
- Truck Repair & Service, Prairieville
- Trust And Will Attorneys & Lawyers, Prairieville
- Trust And Will Lawyers & Attorneys, Prairieville
- Truth Church, Prairieville
- Tutoring Instructor, Prairieville
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