Diane Hendricks net worth: Diane Hendricks is an American businesswoman with an estimated net worth of $2.9 billion dollars. Currently based in Afton, Wisconsin, Diane Hendricks is the CEO and owner of ABC Supply. ABC is the largest roofing, siding, and window distributor in the United States currently. She is the richest woman in Wisconsin, and, in addition to running ABC, she is also very involved in politics and film producing. She produced the films, "The Stoning of Soraya M." and "An American Carol", among others. She was the largest single donor to Gov. Scott Walker's reelection campaign in Wisconsin, giving $510,000 to the politician, and appearing in a controversial advertisement with him, as well. She is an underwriter for the Wisconsin Eye Public Affairs Network, and sits on the boards of multiple foundations, including the Beloit Foundation, and the Hendricks Family Foundation, which she founded with her late husband in order to manage their philanthropic work.