EXHIBIT 21 ROBERTSON-CECO CORPORATION SUBSIDIARIES OF THE REGISTRANT DECEMBER 31, 1996 - ----------------------------------------------------------------------------- JURISDICTION COMPANY OF INCORPORATION - ----------------------------------------------------------------------------- Subsidiaries of the registrant included in the respective consolidated financial statements: DOMESTIC Ceco Dallas Co. Texas Ceco Houston Co. Texas Ceco San Antonio Co. Texas M C Durham Co. North Carolina M C Windsor Co. Arkansas Meyerland Co. Colorado Robertson-Ceco Industries, Inc. Delaware Star Construction Company Oklahoma Star Building Systems, Inc. Oklahoma FOREIGN H. H. Robertson, Inc. Ontario