Michele Bachman's past committee donors includes a range of industries and interests, from health care company Aetna to oil giant ConocoPhillips, Koch Industries, Big Pharma's Pfizer and the Republican Jewish Coalition. KochPAC donated to Bachmann sporadically from 2006 to 2010, and is affiliated with the company run by the billionaire Koch brothers, David and Charles, whose myriad foundations and advocacy organizations promote libertarian and Tea Party causes.