Layne Christensen Co was incorporated in Delaware on July 20, 1981. It is a water management, construction and drilling company. It provides responsible solutions for water, mineral and energy. The Company's operating business segments are Water Resources, Inliner, Heavy Civil and Mineral Services. The Water Resources segment provides water supply system development and technology, including hydrologic design and construction, source of supply exploration, well and intake construction and well and pump rehabilitation. It also offers water treatment equipment engineering services, providing systems for the treatment of regulated and nuisance contaminants, specifically, iron, manganese, hydrogen sulfide, arsenic, radium, nitrate, perchlorate, and volatile organic compounds. It also drills deep injection wells for industrial and municipal clients. The Inliner segment provides process, sanitary and storm water rehabilitation solutions to municipalities and industrial customers dealing with aging infrastructure needs. It focuses on its proprietary Inliner cured-in-place pipe allowing rehabilitating aging sanitary sewer, storm water and process water infrastructure to provide structural rebuilding as well as infiltration and inflow reduction. The Heavy Civil segment delivers solutions to government agencies and industrial clients by overseeing the design and construction of water and wastewater treatment plants and pipeline installation. In addition, Heavy Civil builds radial collector wells (Ranney Method), surface water intakes, pumping stations, hard rock tunnels and marine construction services all in support of the water infrastructure. It also designs and constructs biogas facilities (anaerobic digesters) for the purpose of generating and capturing methane gas, an emerging renewable energy resource. The Mineral Services segment provides aboveground drilling activities, including all phases of core drilling, reverse circulation, dual tube, hammer and rotary air-blast methods. The service offerings include both exploratory ('greenfield') and definition ('brownfield') drilling. The Company operates throughout North America, as well as Africa, Australia, Europe, Brazil, and through its affiliates in other South American countries. The Company's customers include government agencies, investor-owned water utilities, industrial companies, mining companies, consulting and engineering firms, heavy civil construction contractors, oil and gas companies and agribusinesses. The Company's business is subject to a number of complex federal, state, local and foreign laws.