EXHIBIT 21.1
SUBSIDIARIES OF THE REGISTRANT
| Name of Subsidiary |
Jurisdiction of Incorporation | |
| StarGuide Digital Networks, Inc. | Nevada | |
| Digital Generation Systems of New York, Inc. | New York | |
| Starcom Mediatech, Inc. | Delaware | |
| Musicam Express, L.L.C. | Delaware | |
| Corporate Computer Systems, Inc. | Delaware | |
| Corporate Computer Systems Consultants, Inc. | Delaware | |
| DG Systems Acquisition Corporation d/b/a AGT Broadcast, Inc. | Delaware | |
| DG Systems Acquisition II Corporation d/b/a SourceTV, Inc. | Delaware |