Uehlin Quarry

Con-Agg Companies, headquartered in Columbia, Missouri, is a diversified supplier specializing in crushed limestone products, ready mix concrete, and warehousing services. Operating over 50 quarry and ready mix locations across Central Northwest Missouri, they are committed to meeting the needs of individual customers while supporting local economies. The company places a strong emphasis on safety and environmental stewardship, with a leadership team dedicated to fostering a culture of safety among its over 200 employees. Recognized for excellence in mining operations by the Missouri Limestone Producers Association, Con-Agg has received numerous safety awards, including the prestigious Hillenkamp-Rush Meritorious Safety Award. Generated from the website

Hamm Quarries, established in 1954, is a prominent Midwest leader in aggregates, ready mix, and waste services. With a strong foundation in tradition and a culture of ethics, safety, and generosity, Hamm Companies has solidified its position as an industry leader. Committed to doing things right the first time, Hamm Companies prides itself on quality products, strategic locations, knowledgeable staff, competitive pricing, and unwavering customer dedication. Employing over 500 individuals, Hamm Companies continues to uphold its legacy of excellence and integrity in every project undertaken. Generated from the website

Hunt Martin Materials is one of the largest suppliers of crushed limestone in Missouri. The company is formed by the merging of the operations of two companies that include Hunt Midwest Mining and Martin Marietta Materials. Hunt Midwest Mining is a subsidiary of Hunt Midwest Enterprises, which is a diversified development company. Martin Marietta Materials is one of the largest producers of construction aggregates and magnesia-based chemical products in the United States.