Exhibit (21)-2 Commonwealth Edison Company Form 10-K File No. 1-1839 Commonwealth Edison Company Subsidiaries of the Company ----------------------------------- State or Jurisdiction in Which Name Incorporated ---------------------------------------------- ------------ Commonwealth Edison Company of Indiana, Inc. * Indiana Edison Development Company Delaware Cotter Corporation New Mexico Commonwealth Research Corporation Illinois Concomber, Ltd. Bermuda Edison Development Canada Inc. Canada * Included in the consolidated financial statements.