- Racing Including Track Operations, Hazard
- Radiator Coolant & Solvents, Hazard - Engine Coolant
- Radio & Television Repair Shops , Hazard - TV Repair
- Radio Stations & Broadcasting Companies, Hazard
- Railroad, Hazard - Commuter & Passenger Transport
- Railroad Companies, Hazard
- Rape Victim Services, Hazard
- Real Estate, Hazard - Agent, Broker & Companies
- Real Estate Agent - Property Lessors, Hazard
- Real Estate Appraiser, Hazard - Appraisal Services
- Real Estate Appraisers & Consulting Services, Hazard
- Real Estate Developers, Hazard
- Real Estate Services, Hazard
- Recycling Drop-Off Centers, Hazard
- Recycling Scrap & Waste Materials, Hazard - Scrap Metal, etc
- Rehabilitation Centers, Hazard
- Rehabilitation Specialists, Hazard
- Religious Organizations, Hazard
- Repair Services, Hazard
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- Research Service Libraries, Hazard
- Research Services, Hazard
- Residential, Hazard
- Residential Apartments, Hazard
- Residential Care Facilities, Hazard
- Resorts & Hotels, Hazard
- Restaurants/Food & Dining, Hazard
- Retail Book Stores, Hazard
- Retirement & Estate Planning, Hazard
- Retirement Communities & Home, Assisted Living & Apartments, Hazard
- Retirement Planning Consultants & Services, Hazard
- Rheumatologists, Hazard - Rheumatology Doctors, Physicians & Surgeons
- Rigging Service & Crane Hoisting, Hazard
- Road Construction, Hazard - Companies & Contractors
- Roadside Assistance, Road Service & Towing Service, Hazard
- Roofing Consultants, Hazard - Roofing Companies
- Roofing Contractors, Hazard - Roof Repair, Cleaning, Installation & Maintenance - Roofers
- Roofing Materials & Supplies, Hazard
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