John Menard, founder of Menards home improvement warehouse chain, ranked in 51st place with $5.2 billion in estimated net worth. The reclusive executive held the 44th spot last year with $5 billion.
Diane Hendricks, who co-founded roofing distributor ABC Supply with her husband Ken Hendricks, placed 170th on the list. The Beloit, Wis., executive, whose husband died in a construction accident in 2008, is worth $2.1 billion, according to Forbes.
Three of Home Depot’s co-founders were also listed on the Forbes 400: Bernie Marcus (#269) at $1.5 billion; Arthur Blank (#332) at $1.2 billion; and Ken Langone (#365) at $1.1 billion.