Politics and Business magazines
- Seitel, Inc.
- Select Comfort Corporation
- Select Medical Corporation
- Selectour SA
- Selee Corporation
- Selfridges Plc
- SEMCO Energy, Inc.
- Seminis, Inc.
- Sempra Energy
- Semtech Corporation
- Sennheiser Electronic GmbH & Co. KG
- Senomyx, Inc
- Sensient Technologies Corporation
- Sensormatic Electronics Corp.
- Sensory Science Corporation
- Sephora Holdings S.A.
- Sepracor Inc.
- Sequana Capital
- Serco Group plc
- Serologicals Corporation