| Company | Location |
|---|---|
| Superconductor Technologies Inc. | Santa Barbara, California, United States |
| Superior Microsystems Inc. | Cambridge, Minnesota, United States |
| Supertex Inc. | Sunnyvale, California, United States |
| SURFACE | Hueckelhoven, Germany |
| Surface Logix Inc. | Brighton, Massachusetts, United States |
| Surface Measurement Systems, Ltd. | Allentown, Pennsylvania, United States |
| Surface Technology Systems plc | Newport, Wales, United Kingdom |
| Surfect Technologies Inc. | Albuquerque, Nevada, United States |
| Surrey Nano Systems Ltd | East Sussex, United Kingdom |
| SurroMed Inc. | Mountain View, California, United States |
