S
- Scale-Tronix Inc
- Schaerer Mayfield USA Inc
- Schiller America
- SciFit
- Sebra
- Seca Corp
- Sechrist Industries
- Sensormedics Corp
- Sentinel Monitoring
- Seratron
- Shandon Lipshaw
- Sherwood Medical Co
- Shimadzu Medical Systems
- Shuco Inc
- Siemens Medical Systems
- Sigma Inc
- Simed
- Site Microsurgical Systems
- Skanor Inc
- Skytron Division KMW Group
- Smiths Medical Inc
- Somanetics Corp
- Sonicaid Medical
- Sonitor Technologies Inc
- SonoSite Inc
- Spacelabs Medical Inc
- Spirometrics Medical Equipment
- SPO Medical
- SR Instruments Inc
- SSCOR Inc
- Stand Aid
- Standard Imaging Inc
- Stanley/Securitas Healthcare
- Staodyn Inc
- Stereo Optical Co
- Steris Corp
- Sterling Medical
- Stille Surgical Inc
- Stimtech Products
- Stryker
- Sunrise Medical Corp
- Suntech Medical Inc
- SureHands
- Survival Technologies
- Survivallink Corp
- SybroEndo Corp
- Sylvan Corp