EXHIBIT 21 CHORUS COMMUNICATIONS GROUP, LTD. SUBSIDIARIES OF THE CORPORATION The subsidiaries of the Chorus Communications Group, Ltd.and their subsidiaries are listed below. NAME STATE OF INCORPORATION Mid-Plains, Inc. Wisconsin **Mid-Plains Communications Systems, Inc. Wisconsin MPC of Illinois Illinois PCS Wisconsin, LLC. Wisconsin Pioneer Communications, Inc. Wisconsin The Farmers Telephone Company Wisconsin Dickeyville Telephone Corporation Wisconsin Chorus Properties, LLC. Wisconsin *Executive Systems & Software, Inc. d/b/a The ComputerPLUS Wisconsin *IntraNet, Inc. Wisconsin * On January 1, 1999, these entities were merged into Mid-Plains Communication Systems, Inc. (MPCS). ** On January 1, 1999, MPCS changed its name to Chorus Networks, Inc.