- Radio Stations & Broadcast Companies, Wilmington - Radio, Television & Publishers Representatives
- Ready Mix Concrete, Wilmington - Concrete Suppliers, Dealers & Company
- Ready Mix Concrete Producers, Wilmington
- Real Estate, Wilmington - Agent, Broker & Companies
- Real Estate Appraiser, Wilmington - Appraisal Services
- Real Estate Appraisers & Consulting Services, Wilmington
- Real Estate Developers, Wilmington
- Real Estate Management, Wilmington
- Real Estate Services, Wilmington
- Record Storage, Destruction & Management, Wilmington
- Recycling Drop-Off Centers, Wilmington
- Recycling Scrap & Waste Materials, Wilmington - Scrap Metal, etc
- Reflexologists, Wilmington
- Refrigerated Storage & Warehouse, Wilmington - Warehousing
- Rehabilitation Centers, Products & Services, Wilmington
- Rehabilitation Specialists, Wilmington
- Religious Organizations, Wilmington
- Repair Services, Wilmington
|
- Research & Development Bureaus, Wilmington - Commercial, Economic, Sociological & Educational Research
- Research & Development Labs, Wilmington - Laboratories
- Research Services, Wilmington
- Residential, Wilmington
- Residential Apartments, Wilmington
- Residential Care Facilities, Wilmington
- Residential Construction Contractors, Wilmington - General Contractors
- Resins Wholesale & Retail, Wilmington - Plastic Raw Materials
- Restaurant & Food Service Management Services, Wilmington
- Restaurants/Food & Dining, Wilmington
- Rheumatologists, Wilmington - Rheumatology Doctors, Physicians & Surgeons
- Rigging Equipment & Supplies, Wilmington
- Road Construction, Wilmington - Companies & Contractors
- Road Construction & Repair Contractors, Wilmington
- Roast Beef Restaurants, Wilmington
- Roofing Consultants, Wilmington - Roofing Companies
- Roofing Contractors, Wilmington - Roof Repair, Cleaning, Installation & Maintenance - Roofers
- Rv Parks, Wilmington
|