- Radio Stations & Broadcasting Companies, West Seneca
- Ready Mix Concrete, West Seneca - Concrete Suppliers, Dealers & Company
- Ready Mix Concrete Producers, West Seneca
- Real Estate, West Seneca - Agent, Broker & Companies
- Real Estate Developers, West Seneca
- Real Estate Management, West Seneca
- Real Estate Services, West Seneca
- Recreational Services, West Seneca
- Religious Goods & Church Supplies Stores, West Seneca
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- Religious Organizations, West Seneca
- Research Services, West Seneca
- Residential, West Seneca
- Residential Apartments, West Seneca
- Residential Construction Contractors, West Seneca - General Contractors
- Restaurants/Food & Dining, West Seneca
- Rheumatologists, West Seneca - Rheumatology Doctors, Physicians & Surgeons
- Roofing Contractors, West Seneca - Roof Repair, Cleaning, Installation & Maintenance - Roofers
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