Exhibit 21

Perini Corporation
Subsidiaries of the Registrant

                                                                                                        Percentage
                                                                                                        of Interest
                                                                                                         or Voting
                                                                               Place of                 Securities
                              Name                                           Organization                  Owned
-----------------------------------------------------------------     ----------------------------     --------------

Perini Corporation                                                    Massachusetts

        Perini Building Company, Inc.                                 Arizona                              100%

        Perini Management Services, Inc. (f/k/a Perini
        International Corporation)                                    Massachusetts                        100%

        James A. Cummings, Inc.*                                      Florida                              100%

        Perini Environmental Services, Inc.                           Delaware                             100%

        International Construction Management Services, Inc.          Delaware                             100%

               Percon Constructors, Inc.                              Delaware                             100%

        Bow Leasing Company, Inc.                                     New Hampshire                        100%

        Perini Land & Development Company, Inc.                       Massachusetts                        100%

               Paramount Development Associates, Inc.                 Massachusetts                        100%


*Acquisition effective January 1, 2003.