- Racing Including Track Operations, Wellsville
- Radio Communications Equipment & Systems , Wellsville
- Radio Stations & Broadcasting Companies, Wellsville
- Real Estate, Wellsville - Agent, Broker & Companies
- Real Estate Agent - Property Lessors, Wellsville
- Real Estate Management, Wellsville
- Real Estate Services, Wellsville
- Records, Tapes, CDs - Used & Vintage, Wellsville
- Refrigeration & Cooling Equipment, Parts & Supplies , Wellsville - Water Cooler, Ice Machine, Beverage Dispenser, etc
- Refrigeration Repair & Service, Wellsville - Ac, Freezer, Refrigerator Repair
- Rehabilitation Centers, Products & Services, Wellsville
- Rehabilitation Specialists, Wellsville
- Rehabilitational Job Training Services, Wellsville
- Relief Organizations, Wellsville
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- Religious Education, Wellsville
- Religious Organizations, Wellsville
- Rental & Leasing Business Equipment, Wellsville
- Rental Property Management, Wellsville
- Repair Services, Wellsville
- Residential, Wellsville
- Residential Apartments, Wellsville
- Residential Care Facilities, Wellsville
- Restaurant & Lounge, Bar, Or Pub, Wellsville
- Restaurants/Food & Dining, Wellsville
- Retail Book Stores, Wellsville
- Roofing Consultants, Wellsville - Roofing Companies
- Roofing Contractors, Wellsville - Roof Repair, Cleaning, Installation & Maintenance - Roofers
- Roofing Materials & Supplies, Wellsville
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