1960s

  • 1964
    • Kay Concrete Materials is founded by Bob Kay Sr. in Monett, Missouri.
  • 1965
    • Bob Kay Sr. adds his two sons, Rex and Bob Jr., as additional owners of the company.
  • 1968
    • The company purchases additional plants in Mt. Vernon and Aurora, Missouri.
196419651968

1970s

  • 1973
    • Bob Sr.’s youngest son Larry joins the team to further company growth.
1973

1980s

  • 1983
    1983
    • Kay expands to Republic, Missouri by purchasing another plant.
  • 1985
    1985
    • The company adds a fifth location by building a plant in Sarcoxie, Missouri.
  • 1989
    • When Bob Kay Sr. passes away, the company is led by his sons Bob Jr., Rex and Larry.
198319851989

1990s

  • 1996
    • Rex Kay’s son, Steve Kay, joins the management team.
  • 1997
    • Bob Kay Jr. retires from the business.
19961997

2000s

  • 2007
    • Larry Kay retires from the business.
  • 2008
    • Rex Kay’s son Bart returns to Kay Concrete.
20072008

2010s

  • 2011
    • Kay Concrete Materials becomes a subsidiary of The Monarch Cement Company, based in Humboldt, Kansas.
  • 2018
    • The company installs a cement transfer terminal to expand its capabilities.
20112018
  • 1964

    • Kay Concrete Materials is founded by Bob Kay Sr. in Monett, Missouri.
  • 1965

    • Bob Kay Sr. adds his two sons, Rex and Bob Jr., as additional owners of the company.
  • 1968

    • The company purchases additional plants in Mt. Vernon and Aurora, Missouri.
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