- Radio Stations & Broadcasting Companies, Kenton
- Ready Mix Concrete, Kenton - Concrete Suppliers, Dealers & Company
- Ready Mix Concrete Producers, Kenton
- Real Estate, Kenton - Agent, Broker & Companies
- Real Estate Agent - Property Lessors, Kenton
- Real Estate Services, Kenton
- Recycling Drop-Off Centers, Kenton
- Reducing Exercise & Weight Control Services, Kenton
- Reformed Churches, Kenton
- Rehabilitation Centers, Products & Services, Kenton
- Rehabilitation Specialists, Kenton
- Relief Organizations, Kenton
- Religious Organizations, Kenton
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- Religious Practitioners, Kenton
- Rental & Leasing Business Equipment, Kenton
- Repair Services, Kenton
- Residential, Kenton
- Residential Apartments, Kenton
- Residential Care Facilities, Kenton
- Residential Construction Contractors, Kenton - General Contractors
- Restaurants/Food & Dining, Kenton
- Retirement Communities & Home, Assisted Living & Apartments, Kenton
- Rodeo & Equestrian Equipment & Supplies, Kenton
- Roofing Consultants, Kenton - Roofing Companies
- Roofing Contractors, Kenton - Roof Repair, Cleaning, Installation & Maintenance - Roofers
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