- Radio Stations & Broadcasting Companies, Louisiana
- Railroad Companies, Louisiana
- Rape Treatment Centers, Louisiana
- Rape Victim Services, Louisiana
- Ready Mix Concrete, Louisiana - Concrete Suppliers, Dealers & Company
- Ready Mix Concrete Producers, Louisiana
- Real Estate, Louisiana - Agent, Broker & Companies
- Real Estate Attorneys & Lawyers, Louisiana
- Real Estate Attorneys & Lawyers, Louisiana
- Real Estate Lawyers & Attorneys, Louisiana
- Real Estate Services, Louisiana
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- Refuse Systems & Garbage Disposal, Louisiana
- Religious Organizations, Louisiana
- Repair Services, Louisiana
- Research Services, Louisiana
- Residential, Louisiana
- Residential Apartments, Louisiana
- Residential Care Facilities, Louisiana
- Restaurants/Food & Dining, Louisiana
- Retail Book Stores, Louisiana
- Retirement Communities & Home, Assisted Living & Apartments, Louisiana
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