- Radio Stations & Broadcasting Companies, Jacksonville
- Railroad & Subway Construction Contractors, Jacksonville
- Railroad Companies, Jacksonville
- Railroad Contractors, Jacksonville
- Real Estate, Jacksonville - Agent, Broker & Companies
- Real Estate Agent - Property Lessors, Jacksonville
- Real Estate Appraiser, Jacksonville - Appraisal Services
- Real Estate Appraisers & Consulting Services, Jacksonville
- Real Estate Developers, Jacksonville
- Real Estate Services, Jacksonville
- Record Storage, Destruction & Management, Jacksonville
- Recycling Drop-Off Centers, Jacksonville
- Refrigeration & Air Conditioning Contractors, Jacksonville - Installation, Repair, Sales & Service
- Refrigeration & Cooling Equipment, Parts & Supplies , Jacksonville - Water Cooler, Ice Machine, Beverage Dispenser, etc
- Refrigeration Repair & Service, Jacksonville - Ac, Freezer, Refrigerator Repair
- Rehabilitation Centers, Jacksonville
- Rehabilitation Specialists, Jacksonville
- Rehabilitational Job Training Services, Jacksonville
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- Religious Goods & Church Supplies Stores, Jacksonville
- Religious Organizations, Jacksonville
- Rental & Leasing Business Equipment, Jacksonville
- Repair Services, Jacksonville
- Residential, Jacksonville
- Residential Apartments, Jacksonville
- Residential Care Facilities, Jacksonville
- Residential Landfills, Jacksonville
- Restaurant Management & Consulting, Jacksonville - Food Facilities Consultants
- Restaurants - Breakfast Brunch Lunch, Jacksonville
- Restaurants/Food & Dining, Jacksonville
- Retirement Communities & Home, Assisted Living & Apartments, Jacksonville
- Rigging Service & Crane Hoisting, Jacksonville
- Road Construction, Jacksonville - Companies & Contractors
- Roofing Consultants, Jacksonville - Roofing Companies
- Roofing Contractors, Jacksonville - Roof Repair, Cleaning, Installation & Maintenance - Roofers
- Roofing Materials & Supplies, Jacksonville
- Rubber Products - Retail, Jacksonville
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