- Race Tracks
- Racecource
- Racks & Equipment
- Radar Equipment & Supplies
- Radiators-Automotive
- Radio & Electronic Equipment-Aviation & Marine
- Radio & Television Broadcasting Equipment & Supplies
- Radio Communication Equipment
- Radio Communication Equipment & Systems
- Radio Manufacturers' Agents
- Radio Paging & Signaling-Common Carrier Service
- Radio Program Producers & Distributors
- Radio Stations & Broadcasting Companies
- Radioactivity Instruments & Supplies
- Radiotherapy
- Rags
- Railroad Equipment & Supplies
- Railroad Equipment & Supplies-Repairing
- Railroad-Small-Manufacturer & Installation
- Rainwear
- Range Hoods
- Ranges & Stoves-Dealers
- Rattan, Reeds, Willows & Palm Leaves
- Real Estate Agencies
- Real Estate Developers
- Recording Service-Sound
- Records-Wholesale & Manufacturers
- Recruitment Services
- Recuperate After Give Birth
- Recycle
- Recycle-Machines & Equipment
- Reducing & Weight Control Service
- Reflective & Luminous Equipment & Supplies
- Refractories
- Refreshing Towel & Paper
- Refrigeration Equipment, Parts & Supplies-Retail
- Refrigeration Equipment, Parts & Supplies-Wholesale & Manufacturers
- Refrigeration Equipment-Commercial
- Refrigeration Equipment-Truck
- Refrigeration Equipment-Wholesale & Manufacturers
- Refrigerators & Freezers
- Refrigerators & Freezers-Repairing & Parts
- Religious Articles
- Religious Articles-Frame-Manufacturers Service
- Religious Organizations
- Rental Car
- Research & Development Service
- Resin-Products
- Resorts
- Resorts & Bungalows
- Restaurant Equipment & Supplies
- Restaurants & Food Shops
- Restaurants & Food Shops-Specialty Guide
- Retail Egg
- Retail Silver (metal).
- Retail Socks
- Ribbons
- Rice
- Rice Mills
- Rice Mills Equipment & Supplies
- Rice Noodles
- Rice Products
- Rice-Wholesale & Distributors
- Riding School
- Ring for Alumni-Manufacturers & Contractors
- Road Service-Automotive
- Road-Rollers
- Roasted Coffee
- Rock
- Rollers
- Rollers-Wooden, Metal, Rubber, Etc
- Roofing Contractors
- Roofing Contractors' Equipment & Supplies
- Roofing Material
- Roofing Tiles
- Roofing Tiles Equipment
- Roofs-Structures & Trusses
- Rope
- Rotogravure Printers
- Rubber Manufacturers, Supplies
- Rubber Mill Machinery
- Rubber Products
- Rubber Reclaiming
- Rubber Stamps
- Rubber Tapping Knife
- Rubber-Crude
- Rubber-Foam & Sponge
- Rust Preventives & Removers
