Founded in 1939, Ensign Corporation features a selection of predesigned transformers and adapters for industrial and commercial applications. It features a range of products that includes printed circuits, chassis, terminals, custom-designed transformers, printed circuit boards, plug-in adapters and lighting products. The company operates an engineering department that powers control systems on U.S. naval destroyers, as well as recharges hand-held flashlights. It has a manufacturing facility that utilizes vacuum impregnation processes Ensign Corporation is an ISO 9001:2000-certified company. It maintains a location in Bellevue, Iowa.