Cornejo & Sons is an industry leader in Kansas, and the “Cornejo” name has been associated with construction projects and ser ... vices for decades. Established in 1952, Cornejo & Sons has been serving the community, businesses and government for more than 63 years. In 2013, the company was acquired by Summit Materials and we continue our dedication to our mission and core values. As a parent company to specialized subsidiaries including Cornejo Construction, Concrete Materials Company, Cornejo Quality Stone, Cornejo Materials, Construction Demolition & Recycle, and Midwest Minerals we provide services to the construction industry in Kansas and throughout the Midwest. read more