- Radio Stations & Broadcasting Companies, Summerland
- Railroad Companies, Summerland
- Ready Mix Concrete, Summerland - Concrete Suppliers, Dealers & Company
- Ready Mix Concrete Producers, Summerland
- Real Estate, Summerland - Agent, Broker & Companies
- Real Estate Agent & Broker Services, Summerland
- Real Estate Appraiser, Summerland - Appraisal Services
- Real Estate Appraisers & Consulting Services, Summerland
- Real Estate Broker, Summerland
- Real Estate Consultants, Summerland
- Real Estate Services, Summerland
- Recreational Services, Summerland
- Recreational Vehicles & Campers Rent & Lease, Summerland
- Recycling Drop-Off Centers, Summerland
- Reflexologists, Summerland
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- Refuse Collection & Disposal Services, Summerland
- Refuse Systems & Garbage Disposal, Summerland
- Religious Organizations, Summerland
- Repair Services, Summerland
- Residential Care Facilities, Summerland
- Resorts & Hotels, Summerland
- Restaurants/Food & Dining, Summerland
- Retirement Communities & Home, Assisted Living & Apartments, Summerland
- Riding & Rodeo Services, Summerland
- Roadside Assistance, Road Service & Towing Service, Summerland
- Roofing Consultants, Summerland - Roofing Companies
- Roofing Contractors, Summerland - Roof Repair, Cleaning, Installation & Maintenance - Roofers
- Rv Parks, Summerland
- Rvs Sales, Rental & Leasing, Summerland
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