AMCOL International Corporation is an international producer of specialty materials and related products and services for industrial and consumer markets. The Company operates in five segments: performance materials, construction technologies, energy services, transportation and corporate. The performance materials segment supplies bentonite related products. The construction technologies segment provides products for non-residential construction, environmental and infrastructure projects worldwide. Its energy services segment offers patented technologies, products and services for both upstream and downstream oil and gas production. Its transportation segment, serves its domestic subsidiaries and third parties, is a dry van and flatbed carrier and freight brokerage service provider. Its corporate segment includes the elimination of intersegment revenues and certain expenses associated with research and development, management, employee benefits and information technology activities.