This Family Made An $18 Billion Fortune Selling Fast Drying Concrete
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BETAThis is a BETA experience. opt-out hereBillionairesDaily CoverThis Family Made An $18 Billion Fortune Selling Fast Drying ConcreteCharles Krupa/APByMatt Durot,Forbes Staff. I write about the world’s richest people and their businesses. Follow AuthorMay 13, 2026, 06:30am EDTGene Winchester pioneered pre-blended, packaged concrete under the Gemaco Quikrete brand in 1951. His three sons took over the family business three decades later and helped build it into a privately-held giant. @font-face{font-family: "Highlander"; src: url("https://i.forbesimg.com/assets/fonts/highlander/highlander-bold.woff2") format("woff2"); font-weight: 700; font-style: normal;} @font-face{font-family: "Merriweather"; src: url("https://i.forbesimg.com/assets/fonts/merriweather/merriweather-bold-webfont.woff2") format("woff2"), url("https://i.forbesimg.com/assets/fonts/merriweather/merriweather-bold-webfont.woff") format("woff"); font-weight: 700; font-style: normal;} @font-face{font-family: "Graphik"; src: url("https://i.forbesimg.com/assets/fonts/graphik/graphik-bold.woff2") format("woff2"), url("https://i.forbesimg.com/assets/fonts/graphik/graphik-bold.woff") format("woff"); font-weight: 700; font-style: normal;} @font-face{font-family: "Highlander"; src: url("https://i.forbesimg.com/assets/fonts/highlander/highlander-regular.woff2") format("woff2"); font-weight: 400; font-style: normal;} @font-face{font-family: "Merriweather"; src: url("https://i.forbesimg.com/assets/fonts/merriweather/merriweather-regular-webfont.woff2") format("woff2"), url("https://i.forbesimg.com/assets/fonts/merriweather/merriweather-regular-webfont.woff") format("woff"); font-weight: 400; font-style: normal;} @font-face{font-family: "Graphik"; src: url("https://i.forbesimg.com/assets/fonts/graphik/graphik-regular.woff2") format("woff2"), url("https://i.forbesimg.com/assets/fonts/graphik/graphik-regular.woff") format("woff"); font-weight: 400; font-style: normal;} #article-num-0 .color-accent{color: #333;} #artic...





