| Slides, Microscope | Federal registry | 1 |
| sockets | Company website | 1 |
| Software Solutions | Company website | 1 |
| solenoids | Company website | 1 |
| Solution, Formol Calcium | Federal registry | 1 |
| Solution, Isotonic | Federal registry | 1 |
| Solution-Test Standard-Conductivity, Dialysis | Federal registry | 1 |
| Source, Calibration, Sealed, Nuclear | Federal registry | 1 |
| Source, Carrier, Fiberoptic Light | Federal registry | 1 |
| Spectacle, Magnifying | Federal registry | 1 |
| Springs | Company website | 1 |
| Stainer, Tissue, Automated | Federal registry | 1 |
| Stains, Microbiologic | Federal registry | 1 |
| Standard Polysomnograph With Electroencephalograph | Federal registry | 1 |
| Staple, Fixation, Bone | Federal registry | 1 |
| Starter, Bone Screw | Federal registry | 1 |
| Sterilization Wrap Containers, Trays, Cassettes & Other Accessories | Federal registry | 1 |
| Stimulator, Auditory, Evoked Response | Federal registry | 1 |
| Stimulator, Electrical, Implantable, For Incontinence | Federal registry | 1 |
| Stimulator, Muscle, Powered, For Muscle Conditioning | Federal registry | 1 |
| Stimulator, Nerve | Federal registry | 1 |
| Stimulator, Nerve, For Restless Legs Syndrome | Federal registry | 1 |
| Stimulator, Nerve, Peripheral, Electric | Federal registry | 1 |
| Stimulator, Photic, Evoked Response | Federal registry | 1 |
| Stimulator, Tibial, Electrical, Implantable, For Urinary Incontinence | Federal registry | 1 |
| storage servers | Company website | 1 |
| Stripper, Surgical | Federal registry | 1 |
| Subsystem, Water Purification | Federal registry | 1 |
| Supplement, Culture Media | Federal registry | 1 |
| Support, Arm | Federal registry | 1 |
| Surgical Cardiac Ablation Device, For Treatment Of Atrial Fibrillation | Federal registry | 1 |
| Surgical Table Cushion | Federal registry | 1 |
| Susceptibility Test Discs, Antimicrobial | Federal registry | 1 |
| Sv70 Ventilator | Federal registry | 1 |
| System, Automated Platelet Aggregation | Federal registry | 1 |
| System, Cystic Fibrosis Transmembrane Conductance Regulator Gene, Mutations & Variants Panel Sequencing Detection | Federal registry | 1 |
| System, Cystic Fibrosis Transmembrane Conductance Regulator Gene, Variant Gene Sequence Detection | Federal registry | 1 |
| System, Hemodynamic, Implantable | Federal registry | 1 |
| System, Hemoglobin, Automated | Federal registry | 1 |
| System, Image Management, Ophthalmic | Federal registry | 1 |
| System Integration | Company website | 1 |
| System, Microarray-Based, Genome-Wide, Postnatal Chromosomal Abnormality Detection | Federal registry | 1 |
| System, Planning, Radiation Therapy Treatment | Federal registry | 1 |
| System, Surgical, Computer Controlled Instrument | Federal registry | 1 |
| System,Test,Antibodies,B2 - Glycoprotein I (B2 - Gpi) | Federal registry | 1 |
| System, Test, Anticardiolipin Immunological | Federal registry | 1 |
| System, Test, Beta-2-Microglobulin Immunological | Federal registry | 1 |
| System, Test, Blood Glucose, Over The Counter | Federal registry | 1 |
| System, Test, Infectious Mononucleosis | Federal registry | 1 |
| System, Test, Low Density, Lipoprotein | Federal registry | 1 |
