- Racing Car Supplies, Conifer
- Real Estate, Conifer - Agent, Broker & Companies
- Real Estate Properties, Conifer
- Real Estate Recreational & Resort, Conifer
- Real Estate Services, Conifer
- Refrigerated Storage & Warehouse, Conifer - Warehousing
- Refuse Collection & Disposal, Conifer
- Refuse Systems & Garbage Disposal, Conifer
- Rehabilitation Centers, Products & Services, Conifer
- Rehabilitation Specialists, Conifer
- Religious Organizations, Conifer
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- Repair Services, Conifer
- Research & Development Bureaus, Conifer - Commercial, Economic, Sociological & Educational Research
- Research Services, Conifer
- Residential, Conifer
- Residential Construction Contractors, Conifer - General Contractors
- Residential Real Estate Companies, Conifer
- Restaurant Equipment Repair & Service, Conifer - Bakery, Beverage, Food & Soda Fountain Equipment
- Restaurants/Food & Dining, Conifer
- Road Construction, Conifer - Companies & Contractors
- Roofing Consultants, Conifer - Roofing Companies
- Roofing Contractors, Conifer - Roof Repair, Cleaning, Installation & Maintenance - Roofers
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