Orion Energy Systems, Inc. engages in the design, development, and trade of lighting systems, and retrofit lighting solutions. It operates through the following segments: Orion Services Group Division (OSG), Orion Distribution Services Division (ODS), Orion U.S. Markets Division (USM), and Corporate and Other. The OSG segment develops and sells lighting products and provides construction and engineering services for commercial lighting and energy management systems and provides retailers, distributors and other businesses with maintenance, repair and replacement services for the lighting and related electrical components deployed in their facilities. The ODS segment focuses on selling lighting products through manufacturer representative agencies and a network of North American broadline and electrical distributors and contractors. The USM segment consists of commercial lighting systems and energy management systems for the wholesale contractor markets. The Corporate and Other segment includes operating expenses. The company was founded in April 1996 and is headquartered in Manitowoc, WI.