Politics and Business magazines
- Robert Talbott Inc.
- Robert W. Baird & Co. Incorporated
- Robertet SA
- Roberts Pharmaceutical Corporation
- Robertson-Ceco Corporation
- Robins, Kaplan, Miller & Ciresi L.L.P
- Robinson Helicopter Company
- Rocawear Apparel LLC
- Roche Biomedical Laboratories, Inc.
- Roche Bioscience
- Rochester Gas and Electric Corporation
- Rochester Telephone Corporation
- Rock of Ages Corporation
- Rock-It Cargo USA, Inc.
- Rockefeller Group International Inc.
- Rockford Corporation
- Rockford Products Corporation
- RockShox, Inc.
- Rockwell Automation
- Rockwell International Corporation