Exhibit 21.1
Subsidiaries of the Registrant
| Name of Subsidiary | Place of Incorporation | |
| Cyalume Technologies, Inc. | Delaware, U.S.A. | |
| CT SAS Holdings, Inc. | Delaware, U.S.A. | |
| Cyalume Technologies, S.A.S. | France | |
| Combat Training Solutions, Inc. | Colorado, U.S.A. | |
| Cyalume Specialty Products, Inc. | Delaware, U.S.A. | |
| Cyalume Realty, Inc. | Delaware, U.S.A. |