Layne Western, 17800 E 22nd Ave, Aurora, CO 80011, US

Layne Christensen Company, headquartered in Mission Woods, Kan., is one of the leading nonoil drilling contractors in the world. Its water resource division undertakes hydrological studies, water well design and drilling, and pump sales, repair, installation and maintenance services. The company s geoconstruction division assist with groundwater control and the modification of weak and unstable soil. Layne Energy, also a division of the company, offers drilling services to the unconventional oil and gas markets. Layne Christensen s mineral exploration division provides aboveground and underground drilling services for the mineral exploration industry. In addition, it offers designing services for wastewater treatment plants and transmission lines. The company serves municipalities, consulting and engineering firms, and oil, gas and mining companies. Established in 1996, Layne Christensen Company, operates more than 45 offices worldwide and has a work force of over 2,900 employees. It maintains a location in Aurora, Colo.