- Racing Car Supplies, Oscoda
- Radio & Television Repair Shops , Oscoda - TV Repair
- Ready Mix Concrete, Oscoda - Concrete Suppliers, Dealers & Company
- Ready Mix Concrete Producers, Oscoda
- Real Estate, Oscoda - Agent, Broker & Companies
- Real Estate & Insurance Schools, Oscoda
- Real Estate Services, Oscoda
- Religious Organizations, Oscoda
- Religious Practitioners, Oscoda
- Repair Services, Oscoda
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- Residential, Oscoda
- Residential Apartments, Oscoda
- Resorts & Hotels, Oscoda
- Restaurants/Food & Dining, Oscoda
- Retail Book Stores, Oscoda
- Roofing Consultants, Oscoda - Roofing Companies
- Roofing Contractors, Oscoda - Roof Repair, Cleaning, Installation & Maintenance - Roofers
- Roofing Materials & Supplies, Oscoda
- Rv Parks, Oscoda
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