Weis Builders is a privately held construction company based in Minneapolis, Minnesota. The company was founded in 1939 by Fred Weis and has since grown to become one of the largest construction firms in the Midwest. Weis Builders specializes in commercial, industrial, and institutional construction projects, with a focus on sustainable building practices and LEED certification. The company has completed projects in a variety of industries, including healthcare, education, retail, and hospitality.