The mission of HIES is to maintain Department of Defense active training ranges and facilities. HIES holds professional business licenses in Japan, Guam and throughout the Pacific region and is a leading Pacific Rim provider of comprehensive Environmental, Engineering and Range Services. The company currently supports the US Marine Corps, US Army, US Navy, and US Air Force for ranges and training areas to ensure long-term viability and utility to meet National Defense and Security Missions. With company offices in Hawaii, California, Colorado, Guam, Japan, and Okinawa, HIES is strategically positioned to support DoD and commercial clients.