Manufacturers
- Sagent Pharm
- SAJ Distributors, Inc
- Sandoz
- Sandoz, Inc.
- Sanofi Pasteur
- Sapphire Multinational Group, Inc.
- Scott Specialties/CMO
- SD Canada, Inc
- SDI Diagnostics, Inc.
- Sekisui Diagnostics, LLC
- Sempermed USA
- Sepracore
- Siemens Diagnostics
- Simport Plastics
- Simport Scientific
- Smith & Nephew, Inc.
- Smiths Medical ASD, Inc.
- Smiths Medical ASD, Inc. - See ICU Medical
- SockIt/McMerlin Dental Products
- Sol-Millennium Medical Inc.
- Sol-Millennium Medical, Inc.
- Solon Manufacturing - SEE AMD-RITMED
- Solventum Corporation
- Sombra Professional Therapy Products
- Sombra Wellness Products