# Diane Hendricks **Diane Hendricks** is the Beloit, Wisconsin billionaire who co-founded and chairs **ABC Supply**, the largest wholesale distributor of roofing, siding and windows in the United States. She is among the wealthiest self-made women in the country and one of the most consistent large Republican donors of the last two decades, with particular influence in Wisconsin politics. She is tracked here as a political-money operator and anchors the **Hendricks family** dynasty. ⚠️ **Stub.** Her Wisconsin political history (the Scott Walker relationship, the Act 10 period, the Beloit redevelopment projects), her federal giving history before 2026, and the ABC Supply business itself are not yet written. ## Political money in the KB - [[Hendricks 25M to MAGA Inc]] — a **$25,000,000** contribution recorded March 16, 2026 and disclosed publicly in July. The largest recorded political donation of her career. ## See Also - [[MAGA Inc]] - [[Deals Hub]]