- Radio & Tv Communications Equipment Manufacturers, Aurora
- Radiologists, Aurora - Radiology Doctors, Physicians & Surgeons
- Railroad, Aurora - Commuter & Passenger Transport
- Range & Oven Repair, Service & Sales, Aurora
- Real Estate, Aurora - Agent, Broker & Companies
- Real Estate Rentals, Aurora
- Real Estate Services, Aurora
- Recording Studio Service - Sound & Video, Aurora
- Recreational Services, Aurora
- Recycling Scrap & Waste Materials, Aurora - Scrap Metal, etc
- Refrigeration & Cooling Equipment, Parts & Supplies , Aurora - Water Cooler, Ice Machine, Beverage Dispenser, etc
- Refrigeration Repair & Service, Aurora - Ac, Freezer, Refrigerator Repair
- Refrigerator Sales, Service & Repair, Aurora - Fridge
- Rehabilitation Centers, Products & Services, Aurora
- Rehabilitation Specialists, Aurora
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- Religious Education, Aurora
- Religious Organizations, Aurora
- Repair Services, Aurora
- Residential, Aurora
- Residential Apartments, Aurora
- Residential Care Facilities, Aurora
- Residential Construction Contractors, Aurora - General Contractors
- Resorts & Hotels, Aurora
- Restaurants/Food & Dining, Aurora
- Retail Book Stores, Aurora
- Retirement Communities & Home, Assisted Living & Apartments, Aurora
- Riding & Rodeo Services, Aurora
- Roof Cleaning & Maintenance, Aurora - Roofing Services
- Roofing Consultants, Aurora - Roofing Companies
- Roofing Contractors, Aurora - Roof Repair, Cleaning, Installation & Maintenance - Roofers
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