Headquartered in Englewood, Colo., CH2M HILL is an employee-owned program management and design firm. It specializes in engineering, procurement, construction and operation services. The company serves the private and public sectors, including transportation, water, energy and industrial facilities. CH2M HILL employs more than 24,000 staff members and maintains multiple office locations worldwide. It provides architecture planning, site and infrastructure, decontamination and decommissioning, and program, energy, enterprise information and security management services. It designs, plans, builds, upgrades, renovates and operates various facilities. Additionally, the company offers design and build services. CH2M HILL additionally serves the chemical, environmental, manufacturing, power and life sciences industries. The maintains one of its locations in Tempe, Ariz.