Politics and Business magazines
- Rolls-Royce Motors Ltd.
- Rolta India Ltd.
- Roly Poly Franchise Systems LLC
- Romacorp, Inc.
- Roman Meal Company
- Ron Tonkin Chevrolet Company
- RONA, Inc.
- Ronco Corporation
- Ronco, Inc.
- Ronson PLC
- Rooms to Go Inc.
- Rooney Brothers Co.
- Roots Canada Ltd.
- Roper Industries Inc.
- Roper Industries, Inc.
- Ropes & Gray
- Rorer Group
- Rosauers Supermarkets, Inc.
- Rose Acre Farms, Inc.
- Rose Art Industries