- Radiator Coolant & Solvents, Pennington Gap - Engine Coolant
- Radio & Tv Communications Equipment Manufacturers, Pennington Gap
- Radio Stations & Broadcasting Companies, Pennington Gap
- Railroad Services, Pennington Gap
- Ready Mix Concrete, Pennington Gap - Concrete Suppliers, Dealers & Company
- Ready Mix Concrete Producers, Pennington Gap
- Real Estate, Pennington Gap - Agent, Broker & Companies
- Real Estate Appraiser, Pennington Gap - Appraisal Services
- Real Estate Appraisers & Consulting Services, Pennington Gap
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- Real Estate Services, Pennington Gap
- Religious Organizations, Pennington Gap
- Repair Services, Pennington Gap
- Residential, Pennington Gap
- Residential Apartments, Pennington Gap
- Residential Construction Contractors, Pennington Gap - General Contractors
- Restaurants/Food & Dining, Pennington Gap
- Roofing Contractors, Pennington Gap - Roof Repair, Cleaning, Installation & Maintenance - Roofers
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