| SPEX SamplePrep, LLC | Metuchen,, New Jersey, United States |
| Sphere Medical Ltd. | Cambridge, United Kingdom |
| Spherics Inc. | Lincoln, Rhode Island, United States |
| Spinner North America Inc. | Norcross, Georgia, United States |
| SpinTek Filtration Inc. | Los Alamitos , California, United States |
| Spire Corporation | Bedford, Massachusetts, United States |
| Sporian Microsystems Inc. | Boulder, Colorado, United States |
| Sputtering Target Manufacturing Company LLC | Westerville, Ohio, United States |
| Squire Sanders & Dempsey | Palo Alto, California, United States |
| SRI Consulting Business Intelligence | Menlo Park, California, United States |