1 EXHIBIT 21 List of Subsidiaries LEC Leasing, Inc.; incorporated in the State of Nevada on May 7, 1998; doing business as LEC Leasing, Inc. LEC Distribution, Inc.; incorporated in the State of Nevada on June 23, 1998; doing business as LEC Distribution, Inc. Pacific Mountain Computer Products, Inc.; incorporated in the State of California on June 22, 1978; and doing business as Pacific Mountain Computer Products, Inc. TJ Computer Services, Inc.; incorporated in the State of New York on March 4, 1980; and doing business as Leasing Edge Corporation. Superior Computer Systems, Inc.; incorporated in the State of Minnesota on January 13, 1995; and doing business as Superior Computer Systems, Inc. Atlantic Digital International, Inc.; incorporated in the State of Nevada on November 10, 1997; and doing business as Atlantic Digital International, Inc. Traditions Acquisition Corporation; incorporated in the State of Georgia on April 27, 1999; and doing business as Traditions Golf Club.