Exhibit 21.1 (i) Quantum Structures & Designs, Inc., an Illinois corporation (ii) Naegele Outdoor Advertising Company, a Delaware corporation (iii) Outdoor Advertising Holdings, Inc., a Delaware corporation (iv) Tanner Acquisition Corporation, a...

                                                                Exhibit 21.1

  (i) Quantum Structures & Designs, Inc., an Illinois corporation

 (ii) Xxxxxxx Outdoor Advertising Company, a Delaware corporation

(iii) Outdoor Advertising Holdings, Inc., a Delaware corporation

 (iv) Xxxxxx Acquisition Corporation, a Delaware corporation

  (v) Universal Outdoor Management Company, a Delaware corporation

 (vi) Xxxxxxx Xxxxxxxxxxx Corp., a Delaware corporation

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* The Company owns 100% of the outstanding shares of the entities set forth 
in (i) through (vi).