Senator Tim Cullen, Democrat, 15th SD
Senator Mike Ellis, Republican, 19th SD
Senator Bob Jauch, Democrat, 25th SD
Senator Neal Kedzie, Republican, 11th SD
Senator Joseph Leibham, Republican, 9th SD (Running for 6th Congressional District Seat, vacated by Tom Petri)
Senator John Lehman, Democrat, 21st SD (Running for Lieutenant Governor)
Senator Dale Schultz, Republican, 17th SD