Politics and Business magazines
- Sonesta International Hotels Corporation
- Sonic Automotive, Inc.
- Sonic Innovations Inc.
- Sonic Solutions, Inc.
- SonicWALL, Inc.
- SonoSite, Inc.
- Sophus Berendsen A/S
- Sorbee International Ltd.
- Soros Fund Management LLC
- Sorrento, Inc.
- SOS Staffing Services
- Sound Advice, Inc.
- Source Interlink Companies, Inc.
- South African Breweries Ltd.
- South Beach Beverage Company, Inc.
- South Jersey Industries, Inc.
- Southam Inc.
- Southcorp Limited
- Southdown, Inc.
- Southern Connecticut Gas Company