Aegion 

Aegion Corporation provides technologies to maintain, rehabilitate, and strengthen infrastructure in the United States, Canada, Europe, and internationally. It operates through three segments: Infrastructure Solutions, Corrosion Protection, and Energy Services. The company offers various solutions for rehabilitating and maintaining aging or deteriorating infrastructure; protecting new infrastructure from corrosion and other threats; and providing integrated professional services in engineering, procurement, construction, maintenance, and turnaround services for oil and natural gas companies. Its solutions include rehabilitation of water and wastewater pipelines; fusible polyvinyl chloride products for rehabilitation and new installation; fiber reinforced polymer systems for rehabilitation and strengthening; cathodic protection for corrosion engineering control and infrastructure rehabilitation; pipe coatings for corrosion and thermal control and prevention; thermoplastic pipe lining for corrosion control, abrasion protection, and pipeline rehabilitation; and construction and maintenance of oil and gas facilities. The company serves municipal, state, and federal governments, as well as corporate customers in various industries, including pipelines, energy, oil and gas, refinery, mining, general and industrial construction, infrastructure, water and wastewater, transportation, utilities, maritime, and defense. Aegion Corporation was founded in 1971 and is headquartered in St. Louis, Missouri.