Safe T Linc | Safeed | Safeguard | Safe-T-Vac | Safil | Sage | Salem | Salter | Sam Splint | Samco | Sampson | Saratoga | Sartorios | Sayco | Scanlon | Scherf | Schmelz | Schott | Scotchcast | SDR | Seca | Sechrist | Secure | Secure-All | Selby Biolab | Select | Sensormedics | Senstaken Blakemore | Sentinel | SentrySeton | Servo | Seton | Setopres | Seward | Shandon | Sharpoint | Sharpstar | Sherwood | Shiley | Shirley | Siemans | Sigma | Sigvaris | Silastic | Silenius | Silkham |
| Siltex | Silvazine | Silverglow | Simcare | Simcoe | Simes | Simpson | Skin Bond | Skin Prep | Skin Saver | Sleek | Smith & Nephew | Smooth Bor | Snellen | Soehnle | Sofamor | Sofcat | Soffban | Sofgut | Sofsilk | Soft touch | Sof-wick | Solosite | Solugel | Somso | Sonicaid | Soniclean | Sony | Sorbsan | SOS | Spectrum | Speculight | Spembly | Spenco | Splashguard | Spongostan | Springfusor | Sprotte | Stackhouse | Stain Ender | Stat Lab | Stat Lock | Statina | Statloc | Stax | |
| Steri drape | Steri gas | Steri strip | Steri Vac | Steriking | Steripaste | Steriseal | Sterisheet | Sterrad | Stiefel | Stiffneck | Stille | Stimuplex | Stingray | Stomahesive | Stortz | Sundstrom | Superior | Superlux | SurePress | Suretac | Surflo | Surg-I-band | Surgicon | Surgicraft | Surgicraft Copeland | Surgicut | Surgifix | Surgiglove | Surgilene | Surgimask | Surgin | Surgine | Surgipac | Surgislip | Surgistain | Surmed | Survac | Swann Morton | Swaromed | Swiss Datalogic | | | | | |
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