AMCOL International is focused on the development and application of minerals and technology products and services. Co. operates the following segments: performance materials, which mines, processes and distributes minerals and products for use in various markets, including metalcasting, pet care, laundry care, and drilling industries; construction technologies, which provides services relating to and processes and distributes clay-based and other products; energy services, which provides services and equipment rentals for onshore and offshore applications in the oil and natural gas industry; and transportation, which includes a long-haul trucking business and a freight brokerage business.