CH2M Hill is an employee-owned, global firm providing engineering, construction, operations and related technical services to public and private clients in a variety of industries. The company s work is concentrated in the areas of water, energy, environment, transportation, communications, construction and industrial facilities. CH2M Hill is a leader in the engineering industry, focusing on communications networks and facilities, environmental services, industrial facilities, military facilities and base operations support, nuclear, power and energy, transportation, water, wastewater and water resources. CH2M became a national firm as a result of its work on the Lake Tahoe Advanced Wastewater Treatment Facility--the world's first major advanced wastewater treatment plant. CH2M Hill was founded in 1946 in Corvallis, Ore. Its headquarters are located in Denver, with more than 200 offices worldwide.