Orion Energy Systems, Inc. engages in the design, development, and trade of lighting systems, and retrofit lighting solutions. It operates through the following segments: U.S. Markets (USM), Orion Engineered Systems (OES), and Orion Distribution Services (ODS). The U.S. Markets segment produces and sells commercial lighting and energy management systems to wholesale contractors. The Engineered Systems segment develops and sells lighting products, and provides construction and engineering services for commercial lighting, and energy management systems. The Distribution Services segment markets lighting products to agencies and distributors. The company was founded in April 1996 and is headquartered in Manitowoc, WI.