January 1, 2010 - Con-Agg joins Summit Materials

January 2010

Con-Agg was acquired by Summit Materials in 2010. Through the years Con-Agg’s mining operations have been recognized by the Missouri Limestone Producers Association as Best-in-Class for both large and medium-sized operations. Recent honors include the Hillenkamp-Rush Meritorious Safety Award and special commendations for 22 consecutive years with no lost-time accidents.