- Race Tracks
- Racks
- Racquetball Courts
- Radar Equipment & Supplies
- Radiation Detection & Measurement
- Radio Advertising
- Radio Communication Equipment & Systems
- Radio Sales & Repair
- Radio Station Representatives
- Radio Stations & Broadcasting Companies
- Raft Trips & Tours
- Railings & Handrails
- Railroad Car Manufacturers
- Railroad Contractors
- Railroad Equipment & Supplies
- Rainwear
- Raised Floors
- Rare & Used Books
- Reading Improvement
- Ready-Mixed Concrete
- Real Estate (General)
- Real Estate Agents & Brokers
- Real Estate Appraisers
- Real Estate Brokers & Sales Representatives
- Real Estate Consultants
- Real Estate Developers
- Real Estate Investment
- Real Estate Lawyers
- Real Estate Management
- Real Estate Rental & Leasing
- Reclaimed Oil
- Recording Studios
- Records & Document Destruction
- Records & Document Management
- Records & Document Storage
- Recreation & Activity Consultants
- Recreation Centres
- Recreation Facility Designers
- Recreational Activities
- Recreational Marijuana Producers
- Recreational Vehicle Dealers
- Recreational Vehicle Parts & Supplies
- Recreational Vehicle Rental & Leasing
- Recreational Vehicle Repair & Maintenance
- Recreational Vehicle Storage
- Recycled Paper & Cardboard
- Recycling Equipment & Systems
- Recycling Information
- Recycling Services
- Reflexology
- Refractories
- Refrigeration Contractors
- Refrigeration Equipment & Supply Manufacturers & Wholesalers
- Refrigerator & Freezer Parts
- Refrigerator & Freezer Rental
- Refrigerator & Freezer Sales & Service
- Refrigerator & Freezer Wholesalers & Manufacturers
- Regional Government
- Registered Education Savings Plan (RESP)
- Registered Massage Therapists
- Registered Patent Agents
- Registered Retirement Savings Plan (RRSP)
- Registered Trademark Agents
- Rehabilitation Services
- Reinforcing Steel Manufacturers
- Religious Goods
- Religious Organizations & Church Groups
- Relocation Services
- Rendering Companies
- Rent Review Consultants
- Reprographics & Blueprinting
- Research & Development Centres
- Research & Development Laboratories
- Residential & Commercial Waste Treatment & Disposal
- Residential Garbage Collection
- Resource Teachers
- Respiratory Equipment
- Rest Homes
- Restaurant Equipment & Supplies
- Restaurant Equipment Repair
- Restaurant Menu Services
- Restaurants
- Resume Service
- Retaining Walls
- Retirement Homes & Communities
- Retirement Planning Consultants
- Retreat Houses
- Revolving Doors
- Ribbons
- Rice
- Riding Academies
- Riding Apparel & Equipment
- Road Construction & Maintenance Contractors
- Roadside Assistance
- Robotics
- Rock Climbing
- Roof Structures
- Roof Trusses
- Roofers
- Roofing Materials & Supplies
- Roofing Service Consultants
- Rooming & Boarding Houses
- Rotisseries & Chicken Restaurants
- Rubber & Plastic Tubing & Hoses
- Rubber Doors
- Rubber Products
- Rubbish Removal
- Rubbish Removal Equipment
- Rug & Carpet Dyeing
- Russian Restaurants
- Rustproofing