1
 
                                                                    EXHIBIT 21.1
 
                         SUBSIDIARIES OF THE REGISTRANT
 


                                                                                 JURISDICTION OF
                              NAME OF SUBSIDIARY                                  INCORPORATION
- -------------------------------------------------------------------------------  ----------------
                                                                              
Outdoor Systems Painting, Inc..................................................    Arizona
OS Baseline, Inc...............................................................    Arizona
OS Advertising of Texas Painting, Inc..........................................     Texas
Decade Communications Group, Inc...............................................    Colorado
Bench Advertising Company of Colorado, Inc.....................................    Colorado
New York Subways Advertising Co., Inc..........................................    Arizona
Mediacom Inc...................................................................     Canada