| Company | Location |
|---|---|
| X-FAB Semiconductor Foundries AG | Erfurt, Germany |
| XACTIX Inc. | Pittsburgh, Pennsylvania, United States |
| Xanofi, Inc. | Raleigh, North Carolina, United States |
| XanTec bioanalytics GmbH | Muenster, Germany |
| XCom Wireless Inc. | Signal Hill, California, Germany |
| XEMICS SA | Neuchatel, Switzerland |
| XENIA S.r.l. | Milano, Italy |
| Xenon Corporation | Wilmington, Delaware, United States |
| Xenoscience Inc. | Phoenix, Arkansas, United States |
| Xeotron Corp. | Houston, Texas, United States |
