Diane Hendricks: Wisconsin’s Richest Woman and the Story Behind Her Fortune

Diane Hendricks
Wisconsin
ABC Supply
Billionaires
Net Worth

Diane Hendricks has emerged as a leading figure in the world of business and wealth, making headlines as Wisconsin’s richest person. Her remarkable journey from humble beginnings to billionaire status is a testament to vision, hard work, and determination. In this article, we explore who Diane Hendricks is, her net worth, and how she shaped the business landscape in Wisconsin and beyond.

Diane Hendricks at an event

Who Is Diane Hendricks?

Diane Hendricks is best known as the co-founder and chairwoman of ABC Supply Co., one of North America’s largest distributors of roofing, siding, and windows. Along with her late husband, Ken, Hendricks started the company in 1982, transforming it from a single location into a nationwide powerhouse with over 700 outlets.

Raised on a dairy farm in Osseo, Wisconsin, Diane Hendricks grew up as one of nine daughters. Her early life instilled a strong work ethic that fueled her later achievements. After moving to Janesville at 17, she navigated personal and professional challenges before launching her career. Learn more about Diane Hendricks’ background and ABC Supply’s rise.

Diane Hendricks’ Net Worth and Achievements

According to recent Forbes listings, Diane Hendricks has a net worth of approximately $22.3 billion as of 2025. She surpassed John Menard Jr. and became the wealthiest individual in Wisconsin. Notably, she is one of only 10 women in the United States who hold the title of richest person in their state.

Hendricks’s fortune isn’t limited to her success at ABC Supply. She also leads a real estate development firm and a holding company with investments in numerous businesses. She has topped the Forbes list of America’s Richest Self-Made Women for several consecutive years.

Influence and Impact in Business and Politics

Diane Hendricks’ leadership has expanded ABC Supply into a dominant force in the building materials industry. The company’s continued innovation and nationwide reach speak to her skill as a business strategist. Her influence also extends to politics. Hendricks has supported several prominent political campaigns and served on major advisory teams. Her contributions have shaped both the economic and political landscapes in the region.

Read more about Hendricks becoming Wisconsin's wealthiest person.

Legacy and Community Commitment

Beyond business success, Diane Hendricks is involved in philanthropy and community development. Her investments in local projects have helped revitalize communities and provide opportunities for growth. She is not only a role model for aspiring entrepreneurs but also a key player in Wisconsin’s ongoing development.

Conclusion

Diane Hendricks is a powerhouse whose leadership and vision have made a lasting impact in business, finance, and community development. From her modest upbringing to her current status as Wisconsin’s richest person, her story inspires countless others to pursue their ambitions.

For those eager to learn more about Diane Hendricks’ business journey and her wider influence in Wisconsin, be sure to take advantage of in-depth profiles and reports from leading news sources.

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