- Radiator Coolant & Solvents, Covington - Engine Coolant
- Radio & Television Repair Shops , Covington - TV Repair
- Radio & Tv Communications Equipment Manufacturers, Covington
- Radio Stations & Broadcasting Companies, Covington
- Ready Mix Concrete, Covington - Concrete Suppliers, Dealers & Company
- Ready Mix Concrete Producers, Covington
- Real Estate, Covington - Agent, Broker & Companies
- Real Estate Attorneys & Lawyers, Covington
- Real Estate Attorneys & Lawyers, Covington
- Real Estate Lawyers & Attorneys, Covington
- Real Estate Services, Covington
- Recycling Drop-Off Centers, Covington
- Recycling Scrap & Waste Materials, Covington - Scrap Metal, etc
- Red Cross, Covington
- Rehabilitation Centers, Products & Services, Covington
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- Rehabilitation Specialists, Covington
- Rehabilitational Job Training Services, Covington
- Relief Organizations, Covington
- Religious Organizations, Covington
- Repair Services, Covington
- Residential, Covington
- Residential Care Facilities, Covington
- Restaurants/Food & Dining, Covington
- Retail Book Stores, Covington
- Retirement Communities & Home, Assisted Living & Apartments, Covington
- Retirement Homes, Covington
- Rigging Service & Crane Hoisting, Covington
- Roadside Assistance, Road Service & Towing Service, Covington
- Roofing Consultants, Covington - Roofing Companies
- Roofing Contractors, Covington - Roof Repair, Cleaning, Installation & Maintenance - Roofers
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