- Radio & Television Repair Shops , Kensington - TV Repair
- Radio Communications Equipment & Systems , Kensington
- Radio Stations & Broadcasting Companies, Kensington
- Range & Oven Repair, Service & Sales, Kensington
- Real Estate, Kensington - Agent, Broker & Companies
- Real Estate Developers, Kensington
- Real Estate Services, Kensington
- Recording Studio - Equipment & Rental, Kensington
- Recording Studio Service - Sound & Video, Kensington
- Reform Synagogues, Kensington
- Refrigerator Sales, Service & Repair, Kensington - Fridge
- Rehabilitation Centers, Products & Services, Kensington
- Rehabilitation Specialists, Kensington
- Rehabilitational Job Training Services, Kensington
- Religious Education, Kensington
- Religious Goods & Church Supplies Stores, Kensington
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- Religious Organizations, Kensington
- Repair Services, Kensington
- Research & Development Bureaus, Kensington - Commercial, Economic, Sociological & Educational Research
- Research Services, Kensington
- Residential, Kensington
- Residential Apartments, Kensington
- Residential Architect, Kensington
- Residential Care Facilities, Kensington
- Residential Construction Contractors, Kensington - General Contractors
- Restaurant Equipment Repair & Service, Kensington - Bakery, Beverage, Food & Soda Fountain Equipment
- Restaurants/Food & Dining, Kensington
- Retail Book Stores, Kensington
- Riding & Rodeo Services, Kensington
- Rigging Service & Crane Hoisting, Kensington
- Roofing Consultants, Kensington - Roofing Companies
- Roofing Contractors, Kensington - Roof Repair, Cleaning, Installation & Maintenance - Roofers
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