Fred Upton, also of the moderate Republican Main Street Partnership:

2011 Concerned Women for America - Positions 96%
2011 The John Birch Society - Positions (Summer-Fall) 80%
2011 The John Birch Society - Positions (Spring-Summer) 90%
http://votesmart.org/candidate/evaluations/26906/fred-upton#.UNvH0LbeZT4