Politics and Business magazines
- Roseburg Forest Products Company
- Rosemount Inc.
- Rosenbluth International Inc.
- Rose’s Stores, Inc.
- Rostvertol plc
- Rosy Blue N.V.
- Rothmans International p.l.c.
- Rothmans UK Holdings Limited
- Roto-Rooter Corp.
- Roto-Rooter, Inc.
- Rotork plc
- Rouge Steel Company
- Roularta Media Group NV
- Rounder Records Corporation
- Rover Group Ltd.
- Rover Group Plc
- Rowan Companies, Inc.
- Rowntree Mackintosh
- Roy Anderson Corporation
- Roy F. Weston, Inc.