| Software For Diagnosis/Treatment | Federal registry | 1 |
| Solution, Isotonic | Federal registry | 1 |
| Spectacle, Magnifying | Federal registry | 1 |
| Spectral Absorb. Curve, Oxyhemoglobin, Carboxyhemoglobin, Carbon-Monoxide | Federal registry | 1 |
| Specula Accessories | Federal registry | 1 |
| Specula, Ophthalmic | Federal registry | 1 |
| Speculum, Ent | Federal registry | 1 |
| Speculum, Vaginal, Metal | Federal registry | 1 |
| Speculum, Vaginal, Nonmetal | Federal registry | 1 |
| Speculum, Vaginal, Nonmetal, Fiberoptic | Federal registry | 1 |
| Spirometer, Monitoring (W/Wo Alarm) | Federal registry | 1 |
| Spirometer, Therapeutic (Incentive) | Federal registry | 1 |
| Splint, Extremity, Inflatable, External | Federal registry | 1 |
| Splint, Intranasal Septal | Federal registry | 1 |
| Splint, Nasal | Federal registry | 1 |
| Sponge, Ophthalmic | Federal registry | 1 |
| Spray Coatings | Company website | 1 |
| Spring, Orthodontic | Federal registry | 1 |
| Springs | Company website | 1 |
| Stains, Hematology | Federal registry | 1 |
| Standard Polysomnograph With Electroencephalograph | Federal registry | 1 |
| Stand, Instrument, Ac-Powered, Ophthalmic | Federal registry | 1 |
| Staple, Fixation, Bone | Federal registry | 1 |
| Staple, Implantable | Federal registry | 1 |
| Station, Pipetting And Diluting, For Clinical Use | Federal registry | 1 |
| Stent, Carotid | Federal registry | 1 |
| Sterilizer, Chemical | Federal registry | 1 |
| Stethoscope, Electronic | Federal registry | 1 |
| Stethoscope, Esophageal | Federal registry | 1 |
| Stethoscope, Manual | Federal registry | 1 |
| Stimulator, Auditory, Evoked Response | Federal registry | 1 |
| Stimulator, Electrical, Transcutaneous, For Arthritis | Federal registry | 1 |
| Stimulator, Nerve, Battery-Powered | Federal registry | 1 |
| Stimulator, Neuromuscular, External Functional | Federal registry | 1 |
| Stimulator, Photic, Evoked Response | Federal registry | 1 |
| Stimulator, Spinal-Cord, Implanted (Pain Relief) | Federal registry | 1 |
| Stimulator, Ultrasound And Muscle, For Use In Applying Therapeutic Deep Heat | Federal registry | 1 |
| Stopcock, I.V. Set | Federal registry | 1 |
| storage servers | Company website | 1 |
| Stretcher, Wheeled | Federal registry | 1 |
| stretch films | Company website | 1 |
| Stylet, Surgical, General & Plastic Surgery | Federal registry | 1 |
| Subsystems | Company website | 1 |
| Subsystem, Water Purification | Federal registry | 1 |
| Sucker, Cardiotomy Return, Cardiopulmonary Bypass | Federal registry | 1 |
| Support, Arm | Federal registry | 1 |
| Support, Patient Position | Federal registry | 1 |
| Surgical Device, For Cutting, Coagulation, And/Or Ablation Of Tissue, Including Cardiac Tissue | Federal registry | 1 |
| Surgical Table Cushion | Federal registry | 1 |
| Suture, Nonabsorbable, Synthetic, Polyethylene | Federal registry | 1 |
