- Racks
- Radio Communication Equipment
- Radio Stations
- Railings
- Ramps
- Reading Improvements
- Ready-Mixed Concrete
- Real Estate Agencies
- Real Estate Appraisers
- Real Estate Lawyers
- Recording Studios
- Recreational Activities
- Recreational Vehicle Dealers
- Recreational Vehicle Parts
- Refrigeration Contractors
- Registered Massage Therapists
- Relocation Service
- Renovations
- Restaurant Equipment
- Restaurants
- Resume Service
- Retirement Homes
- Retirement Planning Consultants
- Riding Academies
- Riding Apparel
- Roofers
- Rope