Exhibit 21.1 CIBER, INC. LIST OF SUBSIDIARIES AS OF AUGUST 31, 1999 CIBER Information Services, Inc., a Delaware corporation CIBER Associates, Inc., a Delaware corporation CIBER of Canada, Inc., an Ontario corporation CIBER Enterprise Outsourcing, Inc., a Delaware corporation Integration Software Consultants, Inc., a Pennsylvania corporation CIBER Technology Services, Inc., a Delaware corporation CIBER Technologies, Inc., a Delaware corporation