Founded in 1917, HDR is an employee-owned architectural, engineering and consulting firm. Headquartered in Omaha, Neb., it maintains more than 150 offices worldwide. The firm employs over 6,000 professionals, such as architects, engineers, consultants, scientists, planners and construction managers. HDR provides a range of services, such as architectural design, asset and construction management, capital planning and decision analysis. It also offers environmental, risk analysis, wastewater treatment, interior design, landscaping, laboratory consulting, and hazardous waste and program management services. The firm serves clients in the health care, government, institutional, transportation, science and technology, and power and energy sectors. HDR maintains one of its locations in Irvine, Calif.