- Racing Car Supplies, Strongsville
- Radio & Tv Communications Equipment Manufacturers, Strongsville
- Real Estate, Strongsville - Agent, Broker & Companies
- Real Estate & Property Brokers, Strongsville
- Real Estate Agent - Property Lessors, Strongsville
- Real Estate Appraiser, Strongsville - Appraisal Services
- Real Estate Appraisers & Consulting Services, Strongsville
- Real Estate Attorneys & Lawyers, Strongsville
- Real Estate Attorneys & Lawyers, Strongsville
- Real Estate Consultants, Strongsville
- Real Estate Lawyers & Attorneys, Strongsville
- Real Estate Management, Strongsville
- Real Estate Services, Strongsville
- Record Storage, Destruction & Management, Strongsville
- Recording Studio - Equipment & Rental, Strongsville
- Records, Tapes, CDs - Used & Vintage, Strongsville
- Recreational Equipment & Supplies Companies, Strongsville
- Recreational Equipment Repair & Service, Strongsville
- Recycling Scrap & Waste Materials, Strongsville - Scrap Metal, etc
- Reducing Exercise & Weight Control Services, Strongsville
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- Religious Goods & Church Supplies Stores, Strongsville
- Religious Organizations, Strongsville
- Religious Services, Strongsville
- Relocation Services, Strongsville
- Repair Services, Strongsville
- Research & Development Bureaus, Strongsville - Commercial, Economic, Sociological & Educational Research
- Research Services, Strongsville
- Residential, Strongsville
- Residential Apartments, Strongsville
- Residential Care Facilities, Strongsville
- Residential Construction Contractors, Strongsville - General Contractors
- Restaurants/Food & Dining, Strongsville
- Retirement & Estate Planning, Strongsville
- Retirement Communities & Home, Assisted Living & Apartments, Strongsville
- Retirement Planning Consultants & Services, Strongsville
- Riding & Rodeo Services, Strongsville
- Roofing Consultants, Strongsville - Roofing Companies
- Roofing Contractors, Strongsville - Roof Repair, Cleaning, Installation & Maintenance - Roofers
- Rubbish Handling Equipment, Strongsville - Garbage Containers
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