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Exhibit 21


                           SUBSIDIARIES OF THE COMPANY


        The following are all of the active subsidiaries of the Registrant and
are included in its audited consolidated financial statements filed with its
Annual Report on Form 10-K for the fiscal year ended December 31, 2000. Each
subsidiary listed is either wholly-owned by the Registrant or by the Registrant
and another of its subsidiaries listed below.



                                                                                               Place of
          Subsidiary (Year Organized or Acquired)                                           Incorporation
          ---------------------------------------                                           -------------
                                                                                        
AMS Technical Systems, Inc. (1983)                                                          Delaware
      Branch Office in Korea (1995)
      Branch Office in Israel (1997)
AMS Management Systems Canada Inc. (1983)                                                   Canada
American Management Systems Operations Corporation (1984)                                   Delaware
AMS Management Systems Australia Pty Limited (1989)                                         Australia
AMS Management Systems U.K. Ltd. (1989)                                                     England
AMS Management Systems Europe, S.A./N.V. (1990)                                             Belgium
AMS Management Systems Deutschland GmbH (1990)                                              Germany
AMS Management Systems Mexico, S.A. de C.V. (1994)                                          Mexico
AMSY Management Systems Netherlands B.V. (1994)                                             The Netherlands
Nordic Business Management Systems AB (1994)                                                Sweden
AMS Management Systems Espana, S.A. (1995)                                                  Spain
AMS Management Systems (Switzerland) AG (1995)                                              Switzerland
AMS Management Systems Italia, S.p.A (1996)                                                 Italy
AMS Management Systems Portugal, Lda (1997)                                                 Portugal
AMS Management Systems France S.A. (1997)                                                   France
AMS Management Systems Poland Sp. ZO.O (1997)                                               Poland
AMS Management Systems International, Inc. (1999)                                           Delaware
Budgeting Technologies, Inc. (1999)                                                         Maryland
AMS Management Systems Norway AS (1999)                                                     Norway
NACAR Tecnologias De La Informacion, S.L. (2000)                                            Spain
InsideOut Technologies, Inc. (2000)                                                         Delaware
Synergy Consulting, Inc.  (2000)                                                            Delaware
AMS Management Systems Brasil Ltda.(2000)                                                   Brazil
AMSY Management Systems Hellas E.P.E. (2000)                                                Greece