Which major architectural material company began as a small limestone operation in 1866 and later revolutionized construction with the invention of portland cement in North America?

Test your knowledge about the fascinating history behind some of architecture's most influential building material brands. Many iconic structures around the world owe their existence to innovative companies that revolutionized construction materials over the decades. This trivia challenges you to recall which major architectural material brand has an unexpected origin story that changed the face of modern design.

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Lafarge (now LafargeHolcim)
USG Corporation (United States Gypsum Company)
Lehigh Hanson (HeidelbergCement Group)
Portland Cement Association (PCA)