EX-21.1 6 l93044aex21-1.txt EXHIBIT 21.1 Exhibit 21.1 Subsidiaries of Dayton Superior Corporation ------------------------------------------- Jurisdiction of Incorporation Name or Organization ---- ----------------------------- Aztec Concrete Accessories, Inc. California Dayton Superior Canada Ltd. Ontario Dayton Superior FSC Corp. Barbados Dayton Superior Specialty Chemical Corp. Kansas Dur-O-Wal, Inc. Delaware Symons Corporation Delaware Trevecca Holdings, Inc. Delaware