Politics and Business magazines
- Reno de Medici S.p.A.
- Rent-A-Center, Inc.
- Rental Service Corporation
- Rentokil Initial Plc
- Rentrak Corporation
- Repco Corporation Ltd.
- Repsol S.A.
- Repsol SA
- Repsol-YPF S.A.
- Republic Industries, Inc.
- Republic New York Corporation
- Res-Care, Inc.
- Research in Motion Ltd.
- Research Triangle Institute
- Réseau Ferré de France
- Reser's Fine Foods, Inc.
- Resorts International, Inc.
- Resource America, Inc.
- Resources Connection, Inc.
- Response Oncology, Inc.