- Race Car Dealers, South Chicago Heights
- Radiator Coolant & Solvents, South Chicago Heights - Engine Coolant
- Radiator Repair, South Chicago Heights - Gas Tank Repair
- Radiator Repair & Rebuild, South Chicago Heights
- Ready Mix Concrete, South Chicago Heights - Concrete Suppliers, Dealers & Company
- Ready Mix Concrete Producers, South Chicago Heights
- Real Estate, South Chicago Heights - Agent, Broker & Companies
- Real Estate Services, South Chicago Heights
- Recycling Drop-Off Centers, South Chicago Heights
- Refuse Collection & Disposal Services, South Chicago Heights
- Religious Organizations, South Chicago Heights
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- Rental & Leasing Business Equipment, South Chicago Heights
- Repair Services, South Chicago Heights
- Residential, South Chicago Heights
- Residential Apartments, South Chicago Heights
- Residential Care Facilities, South Chicago Heights
- Restaurants/Food & Dining, South Chicago Heights
- Retirement Communities & Home, Assisted Living & Apartments, South Chicago Heights
- Roofing Consultants, South Chicago Heights - Roofing Companies
- Roofing Contractors, South Chicago Heights - Roof Repair, Cleaning, Installation & Maintenance - Roofers
- Roofing Materials & Supplies, South Chicago Heights
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