. . . EXHIBIT 21 SUNTRON CORPORATION LIST OF SUBSIDIARIES Overall Parent Company: State of Organization: - ----------------------- ---------------------- Suntron Corporation Delaware Subsidiaries of Suntron Corporation: EFTC Operating Corp. Delaware K*TEC Operating Corp. Delaware Subsidiaries of EFTC Operating Corp.: Suntron-Iowa, Inc. Delaware Suntron-Kansas, Inc. Delaware Current Electronics, Inc. Oregon RM Electronics Inc. New Hampshire Subsidiaries of K*TEC Operating Corp. CathiO L.L.C Delaware RodniC L.L.C Texas Subsidiaries of CathiO L.L.C.: Suntron GCO, L.P. Texas