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Kirk Hillman, the Plant Manager united gypsum Sperry Plant 
holding a piece of USG drywall from early 1900s.. USG Sheetrock company has been around for over 100 years… 

USG is proud to boast a rich history spanning more than 100 years.  Explore USG’s history decade by decade and learn where we came from, what we’ve done along the way and what we are doing today to secure a promising future. 


One hundred years ago, the gypsum business in North America was fragmented into regional markets. In 1902, 30 independent gypsum rock and plaster manufacturing companies merged to consolidate their resources and form the United States Gypsum Company. The new company combined the operations of 37 mining and calcining plants producing agricultural and construction plaster.