Aegion Corporation is engaged in infrastructure protection, providing technologies and services to protect against the corrosion of industrial pipelines and for the rehabilitation and strengthening of sewer, water, energy and mining piping systems and buildings, bridges, tunnels and waterfront structures. The Company operates in five segments: Energy and Mining, North American Sewer and Water Rehabilitation, European Sewer and Water Rehabilitation, Asia-Pacific Sewer and Water Rehabilitation and Commercial and Structural. The Company�s business activities include manufacturing, distribution, installation, coating and insulation, cathodic protection, research and development and licensing. In June 2013, Aegion Corporation announced that it has sold its 50% interest in Insituform Rohrsanierungstechniken GmbH (Insituform-Germany) to Per Aarsleff A/S. In July 2013, Aegion Corp announced that it has completed the acquisition of Brinderson, L.P.