- Radio & Tv Communications Equipment Manufacturers, Mansfield
- Ready Mix Concrete, Mansfield - Concrete Suppliers, Dealers & Company
- Ready Mix Concrete Producers, Mansfield
- Real Estate, Mansfield - Agent, Broker & Companies
- Real Estate Services, Mansfield
- Recreational Services, Mansfield
- Recycling Scrap & Waste Materials, Mansfield - Scrap Metal, etc
- Refrigerated Storage & Warehouse, Mansfield - Warehousing
- Refuse Collection & Disposal Services, Mansfield
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- Rehabilitation Centers, Products & Services, Mansfield
- Rehabilitation Specialists, Mansfield
- Rehabilitational Job Training Services, Mansfield
- Religious Organizations, Mansfield
- Repair Services, Mansfield
- Residential, Mansfield
- Residential Apartments, Mansfield
- Residential Care Facilities, Mansfield
- Restaurants/Food & Dining, Mansfield
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