- Radio & Television Repair Shops , Carrington - TV Repair
- Radio Stations & Broadcasting Companies, Carrington
- Railroad Companies, Carrington
- Ready Mix Concrete, Carrington - Concrete Suppliers, Dealers & Company
- Ready Mix Concrete Producers, Carrington
- Real Estate, Carrington - Agent, Broker & Companies
- Real Estate Appraiser, Carrington - Appraisal Services
- Real Estate Appraisers & Consulting Services, Carrington
- Real Estate Services, Carrington
- Recreational Equipment Repair & Service, Carrington
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- Refrigeration & Cooling Equipment, Parts & Supplies , Carrington - Water Cooler, Ice Machine, Beverage Dispenser, etc
- Refrigeration Repair & Service, Carrington - Ac, Freezer, Refrigerator Repair
- Refrigerator Sales, Service & Repair, Carrington - Fridge
- Religious Organizations, Carrington
- Repair Services, Carrington
- Residential, Carrington
- Residential Apartments, Carrington
- Residential Care Facilities, Carrington
- Restaurants/Food & Dining, Carrington
- Retirement Communities & Home, Assisted Living & Apartments, Carrington
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