Simplot was founded in 1929 by 20-yearsyear-old [[J. R. Simplot|John Richard Simplot]] near the agricultural community of [[Declo, Idaho|Declo]] in south- central [[Idaho]], United States. During the early 1940s, the business expanded, providing the military with dehydrated [[onion]]s and [[potato]]es during [[World War II]].{{Cn|date=July 2022}} The firm was incorporated as the J. R. Simplot Company in 1955.
Simplot made billions from the commercialization of frozen [[french fries]] by one of its scientists, chemist Ray L. Dunlap. Since By the early 1970s it was the primary supplier of french fries to [[McDonald's]]. By 2005 it supplied more than half of all french fries for the [[fast food]] chain.<ref>{{Cite magazine|last=O’Keefe|first=Eric|date=2019-09-28|title=Top 5 Farms with the Largest Acreage in the U.S.|url=https://www.agriculture.com/farm-management/farm-land/top-5-farms-with-the-largest-acreage-in-the-us|access-date=2021-01-20|magazine=Successful Farming|language=en}}</ref> Simplot also produces fertilizers for agriculture<ref>{{cite journal
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Simplot is now one of the largest [[Private company|privately- owned]] companies in the world (ranked 54th in Private Companies by ''[[Forbes]]'' magazine in 2020),<ref>{{Cite web |title=America’s Largest Private Companies |url=https://www.forbes.com/largest-private-companies/list/ |access-date=2022-03-30 |website=Forbes |language=en}}</ref> with $7.6B in revenue and 13,000 employees. It has branches in [[Australia]], [[Canada]], [[Mexico]], [[China]], and several other regions. One of the major plants is in [[Caldwell, Idaho]].
[[File:J. R. Simplot Company "World's largest dehydrating plant".jpg|thumbnail|A view of the Simplot plant in Caldwell, Idaho, circa 1930-1945. The caption in the image states "World's Largest Dehydrating Plant."]]
J. R. Simplot retired as president of his company in 1973, but remained involved for many years. He stepped down as chairman of the board Sincein 1994, and held the title of Chairman Emeritus until his death in 2008. [https://alebadat.com/benefits-of-collagen-top-10/ Editor website]
