1 EXHIBIT 21.01 SUBSIDIARIES OF COMSHARE, INCORPORATED Subsidiaries of the Incorporated Registrant(a) In - ------------------- ------------ Comshare (U.S.), Inc. Michigan Comshare Limited Canada Comshare International BV (CIBV) Netherlands Comshare Holdings Unlimited United Kingdom Comshare Limited United Kingdom Comshare International Limited United Kingdom Comshare, GmbH Germany Comshare SA France CSI International Holdings, Inc. Delaware Comshare Australia Pty., Ltd. Australia CS Holdings, Inc. Delaware - --------------- (a) All subsidiaries are wholly owned by their immediate parent.