- Railroad Ties, Durham
- Real Estate, Durham - Agent, Broker & Companies
- Real Estate Agent - Property Lessors, Durham
- Real Estate Management, Durham
- Real Estate Properties, Durham
- Real Estate Property Investment Properties, Durham
- Real Estate Services, Durham
- Refrigeration & Air Conditioning Contractors, Durham - Installation, Repair, Sales & Service
- Refrigeration & Cooling Equipment, Parts & Supplies , Durham - Water Cooler, Ice Machine, Beverage Dispenser, etc
- Religious Organizations, Durham
- Repair Services, Durham
- Research Services, Durham
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- Residential, Durham
- Residential Construction Contractors, Durham - General Contractors
- Restaurant Equipment, Durham
- Restaurant Equipment & Supplies, Durham
- Restaurant Supplies & Equipment, Durham
- Restaurants/Food & Dining, Durham
- Resume Service, Durham
- Retirement Homes, Durham
- Riding & Rodeo Services, Durham
- Roofing Consultants, Durham - Roofing Companies
- Roofing Contractors, Durham - Roof Repair, Cleaning, Installation & Maintenance - Roofers
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