The Naval Facilities Engineering Service Center (NFESC), formerly Naval Civil Engineering Laboratory (NCEL), located in Port Hueneme, California, is a center within the United States Navy that provides engineering services, technology testing, specialized facilities, and expertise in these facilities. The organization is centered on a primary customer: the United States federal government, specifically branches of the Department of Defense, the Navy, and the Marine Corps, although it does conduct business with a variety of other government and private organizations.