1 EXHIBIT 21.1 LIST OF SUBSIDIARIES MLC Group, Inc., a Commonwealth of Virginia corporation, a wholly owned subsidiary. MLC Capital, Inc., a Commonwealth of Virginia corporation, a wholly owned subsidiary. MLC/GATX Leasing Corporation, a Colorado corporation, a 50% owned investment. MLC Network Solutions, Inc., a Delaware corporation, a wholly owned subsidiary. Educational Computer Concepts, Inc., a Commonwealth of Pennsylvania corporation, a wholly owned subsidiary. MLC Federal, Inc., a Commonwealth of Virginia corporation, a wholly owned subsidiary. MLC Leasing, S.A. de C.V., incorporated in Mexico, is a wholly owned subsidiary of MLC Group, Inc. and MLC Network Solutions, Inc.