- Radiator Coolant & Solvents, Harrisonville - Engine Coolant
- Radio Stations & Broadcasting Companies, Harrisonville
- Railroad Services, Harrisonville
- Ready Mix Concrete, Harrisonville - Concrete Suppliers, Dealers & Company
- Ready Mix Concrete Producers, Harrisonville
- Real Estate, Harrisonville - Agent, Broker & Companies
- Real Estate Agencies, Harrisonville
- Real Estate Agent & Broker Services, Harrisonville
- Real Estate Appraiser, Harrisonville - Appraisal Services
- Real Estate Appraisers & Consulting Services, Harrisonville
- Real Estate Broker, Harrisonville
- Real Estate Consultants, Harrisonville
- Real Estate Services, Harrisonville
- Record Storage, Destruction & Management, Harrisonville
- Recycling Drop-Off Centers, Harrisonville
- Refrigeration Repair & Service, Harrisonville - Ac, Freezer, Refrigerator Repair
- Rehabilitation Centers, Products & Services, Harrisonville
- Rehabilitation Specialists, Harrisonville
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- Religious Organizations, Harrisonville
- Repair Services, Harrisonville
- Research & Development Bureaus, Harrisonville - Commercial, Economic, Sociological & Educational Research
- Research & Development Labs, Harrisonville - Laboratories
- Research Services, Harrisonville
- Residential, Harrisonville
- Residential Apartments, Harrisonville
- Residential Care Facilities, Harrisonville
- Residential Construction Contractors, Harrisonville - General Contractors
- Residential Landfills, Harrisonville
- Restaurant Management & Consulting, Harrisonville - Food Facilities Consultants
- Restaurants/Food & Dining, Harrisonville
- Retirement Communities & Home, Assisted Living & Apartments, Harrisonville
- Road Construction, Harrisonville - Companies & Contractors
- Rodeo & Equestrian Equipment & Supplies, Harrisonville
- Roofing Consultants, Harrisonville - Roofing Companies
- Roofing Contractors, Harrisonville - Roof Repair, Cleaning, Installation & Maintenance - Roofers
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