AMCOL International Corporation is focused the development and application of minerals and technology products and services to various industrial and consumer markets. The Company operates in five segments: minerals and materials, environmental, oilfield services, transportation and corporate. Its minerals and materials segment mines, processes and distributes minerals and products for use in various industrial and consumer markets. Its environmental segment manufactures and distributes products and related services for use as moisture and vapor barriers in commercial construction, landfills and a variety of other industrial and commercial applications. Its oilfield services segment provides both onshore and offshore water treatment filtration, well testing, pipeline separation, nitrogen, coil tubing and other services to the oil and natural gas industry. Its transportation segment includes both a long-haul trucking business and a freight brokerage business.