Con Agg Companies

Con-Agg Companies is a diversified supplier of crushed limestone products, concrete, warehousing facilities and record-management services. Headquartered in Columbia, Missouri, Con-Agg has over 50 quarry and ready mix locations serving a large geographical footprint in Central / Northwest Missouri and Central / Northeast Arkansas. Con-Agg takes great pride in filling the needs of its individual customers in a variety of markets, while contributing to the stability of the local economies in which it operates. We provide the materials that pave the path to the future of our communities and conduct ourselves with strict safety principles and environmental stewardship at the forefront of all our business decisions. With over 500 employees, the Leadership Team at Con-Agg is committed to providing the safest operating culture possible. A true team effort ensures that this mission is carried out each and every day. Through the years our 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.