Here is a guide that shows endorsements:
http://michiganfamily.org/index.php/michigan-online-voter-guide/
I appears that if you want:
Right to Life and Traditional Values Vote R (and Justice of the Supreme Court)
Planned Parenthood, UAW, and Sierra Club Vote D (non Justice of the Supreme Court)
Democrat - Rashida Tialb - uhhh just no.
Green party - Wilcoxon - Rainbow Push, uhh.
Working Class - Sam Johnson - Not openly Marxist - geese.
Full term
Democrat - Brenda Jones
US Taxpayers - Marc Sosnowski - Okay