| Company | Location |
|---|---|
| Silicon RF Systems Inc. | San Diego, California, United States |
| Silicon Sense Inc. | Nashua, New Hampshire, United States |
| Silicon Sensing Systems Ltd. | Plymouth, United Kingdom |
| Silicon Valley Microelectronics, Inc. | Santa Clara, California, United States |
| Simbex LLC | Lebanon, New Hampshire, United States |
| Simon Fraser University - Institute of Micromachine and Microfabrication Research | Burnaby, British Columbia, Canada |
| Simpler Networks Inc. | Saint-Laurent, Quebec, Canada |
| Sionex Corp. | Waltham, Massachusetts, United States |
| SIRE Life Sciences | Amsterdam, 1017 CA, Netherlands |
| Sister Semiconductor Equipment GmbH | Singen, Germany |
