- Retail sale in non-specialized stores with food, beverages or tobacco predominating
- Restaurants and mobile food service activities
- Retail trade, except of motor vehicles and motorcycles
- Real estate activities with own or leased property
- Retail sale of hardware, paints and glass in specialized stores
- Retail sale of books, newspapers and stationary in specialized stores
- Retail sale of sporting equipment in specialized stores
- Real estate activities on a fee or contract basis
- Retail sale of automotive fuel in specialized stores
- Repair of computers and personal and household goods
- Retail sale of other goods in specialized stores
- Retail sale of clothing, footwear and leather articles in specialized stores
- Retail sale via mail order houses or via Internet
- Retail sale of computers, peripheral units, software and telecommunications equipment in specialized stores
- Roofing contractor
- Research and experimental development on natural sciences and engineering
- Repair of household appliances and home and garden equipment
- Rv park
- Retail sale of beverages in specialized stores
- Renovation of houses