- Radio & Television Repair Shops , Aurora - TV Repair
- Radio Stations & Broadcasting Companies, Aurora
- Railroad Companies, Aurora
- Railroad Services, Aurora
- Ready Mix Concrete, Aurora - Concrete Suppliers, Dealers & Company
- Ready Mix Concrete Producers, Aurora
- Real Estate, Aurora - Agent, Broker & Companies
- Real Estate Appraiser, Aurora - Appraisal Services
- Real Estate Appraisers & Consulting Services, Aurora
- Real Estate Management, Aurora
- Real Estate Rentals, Aurora
- Real Estate Services, Aurora
- Recycling Drop-Off Centers, Aurora
- Reducing Exercise & Weight Control Services, Aurora
- Refrigerated Storage & Warehouse, Aurora - Warehousing
- Refuse Collection & Disposal Services, Aurora
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- Refuse Systems & Garbage Disposal, Aurora
- Rehabilitation Centers, Products & Services, Aurora
- Rehabilitation Specialists, Aurora
- Religious Education, Aurora
- Religious Organizations, Aurora
- Repair Services, Aurora
- Residential, Aurora
- Residential Apartments, Aurora
- Residential Care Facilities, Aurora
- Restaurant & Lounge, Bar, Or Pub, Aurora
- Restaurants/Food & Dining, Aurora
- Retirement Communities & Home, Assisted Living & Apartments, Aurora
- Roofing Consultants, Aurora - Roofing Companies
- Roofing Contractors, Aurora - Roof Repair, Cleaning, Installation & Maintenance - Roofers
- Rugs And Tapestries, Aurora
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