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                                                                    Exhibit 21.1

                         SUBSIDIARIES OF THE REGISTRANT


1.      SpectraSite Communications, Inc. ("SCI"), a Delaware corporation and
        wholly owned subsidiary of the Registrant.

2.      Tower Asset Sub, Inc., a Delaware corporation and wholly owned
        subsidiary of SCI.

3.      Stainless, Inc., a Pennsylvania corporation and wholly owned subsidiary
        of SCI.

4.      Doty-Moore Tower Services, Inc., a Texas corporation and wholly owned
        subsidiary of SCI.

5.      Doty-Moore Equipment, Inc., a Texas corporation and wholly owned
        subsidiary of SCI.

6.      Doty Moore RF Services, Inc., a Texas corporation and wholly owned
        subsidiary of SCI.

7.      SpectraSite Broadcast Technical Services, Inc. ("SBTS"), a Delaware
        corporation and wholly owned subsidiary of SCI.

8.      SpectraSite Broadcast Fabrication, Inc., a Delaware corporation and
        wholly owned subsidiary of SCI.

9.      SpectraSite Broadcast Towers, Inc., a Delaware corporation and wholly
        owned subsidiary of SCI.

10.     SpectraSite Communications Limited, an England and Wales corporation and
        wholly owned subsidiary of SCI.

11.     California Tower, Inc., a Delaware corporation and wholly owned
        subsidiary of SCI.

12.     Apex Site Management Holdings, Inc. ("Apex Holdings"), a Delaware
        corporation and wholly owned subsidiary of SCI.

13.     SpectraSite Building Group, Inc. f/k/a Apex Site Management, Inc.
        ("Apex"), a Delaware corporation and wholly owned subsidiary of Apex
        Holdings.

14.     Metrosite Management, LLC, an Arkansas limited liability company and
        wholly owned subsidiary of Apex.

15.     Apex Site Management - Canada/ Inc., a Delaware corporation and wholly
        owned subsidiary of Apex.

16.     Westower Corporation ("Westower"), a Washington corporation and wholly
        owned subsidiary of SCI.

17.     SpectraSite Construction, Inc., a Delaware corporation and wholly owned
        subsidiary of Westower.

18.     Westower Design, Inc., a Florida corporation and wholly owned subsidiary
        of Westower.

19.     Westower Leasing, Inc., a Wyoming corporation and wholly owned
        subsidiary of Westower.

20.     Westower Communications Ltd. ("Westower LTD"), a Canadian Federal
        corporation and wholly owned subsidiary of Westower.

21.     Westower Leasing Canada Inc., a Canadian Federal corporation and wholly
        owned subsidiary of Westower.

22.     Acier Filteau Inc., a Province Quebec corporation and wholly owned
        subsidiary of Westower LTD.

23.     Jovin Telecommunications, Inc., a Canadian Federal corporation and
        wholly owned subsidiary of Westower LTD.

24.     Westower Highlight de Brazil, a Brazil corporation and 60% owned by
        Westower.

25.     LST Companies, Inc. ("LST"), a Delaware corporation and wholly owned
        subsidiary of SCI.


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26.     L & T Communications, Inc. ("L & T"), a Missouri corporation and wholly
        owned subsidiary of LST.

27.     Spurs of Missouri, Inc., a Missouri corporation and wholly owned
        subsidiary of L & T.

28.     Lodestar Towers, Inc. ("Lodestar"), a Florida corporation and wholly
        owned subsidiary of LST.

29.     Lodestar New Orleans, Inc., a Florida corporation and wholly owned
        subsidiary of Lodestar.

30.     Lodestar Realty, Inc., a Delaware corporation and wholly owned
        subsidiary of Lodestar.

31.     Lodestar Site Management, Inc., a Florida corporation and wholly owned
        subsidiary of Lodestar.

32.     Lodestar Tower Charlotte, Inc., a Florida corporation and wholly owned
        subsidiary of Lodestar.

33.     Lodestar Tower Jacksonville, Inc., a Florida corporation and wholly
        owned subsidiary of Lodestar.

34.     Lodestar Tower North Palm Beach, Inc., a Florida corporation and wholly
        owned subsidiary of Lodestar.

35.     Lodestar Tower Orlando, Inc., a Florida corporation and wholly owned
        subsidiary of Lodestar.

36.     Lodestar Tower St. Louis, Inc., a Florida corporation and wholly owned
        subsidiary of Lodestar.

37.     Lodestar Tower St. Petersburg, Inc., a Florida corporation and wholly
        owned subsidiary of Lodestar.

38.     Lodestar Towers California, Inc., a Delaware corporation and wholly
        owned subsidiary of Lodestar.

39.     Lodestar Towers Central, Inc., a Delaware corporation and wholly owned
        subsidiary of Lodestar.

40.     Lodestar Towers Mid-Atlantic, Inc., a Delaware corporation and wholly
        owned subsidiary of Lodestar.

41.     Lodestar Towers Mt. Harvard, Inc., a Delaware corporation and wholly
        owned subsidiary of Lodestar.

42.     Lodestar Towers Northeast, Inc., a Delaware corporation and wholly owned
        subsidiary of Lodestar.

43.     Lodestar Towers Southeast, Inc., a Delaware corporation and wholly owned
        subsidiary of Lodestar.

44.     SNE, LLC, a Rhode Island limited liability company and wholly owned
        subsidiary of SCI.

45.     Southern Towers, Inc., a Delaware corporation and wholly owned
        subsidiary of SCI.

46.     Tower Engineering Consultants, Inc., a Washington corporation and wholly
        owned subsidiary of SBTS.

47.     SpectraSite Mexico Holdings, Inc. ("Mexico Holdings"), a Delaware
        corporation and wholly owned subsidiary of SCI.

48.     SpectraSite Communications Mexico, S. de R.L. de C.V., a United Mexican
        States corporation. 99% owned by SCI and 1% owned by Mexico Holdings.

49.     Sierra Towers de Mexico, S. de R.L. de C.V., a United Mexican States
        corporation. 99.9% owned by Mexico Holdings and .01% owned by Stephen H.
        Clark.

50.     Infracom, S.A. de C.V., a United Mexican States corporation. 99.9% owned
        by SCI and .01% owned by Eduardo Fernandez Levy.

51.     SpectraSite Wireless Towers, Inc., a Delaware corporation and wholly
        owned subsidiary of SCI.

52.     Tower Asset Sub II, Inc., a Delaware corporation and wholly owned
        subsidiary of SCI.


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53.     SpectraSite International, Inc. ("International"), a Delaware
        corporation and wholly owned subsidiary of the Registrant.

54.     SpectraSite Transco Communications Limited, an England and Wales
        corporation. 50% owned by International.