Orion Energy Systems, Inc. designs, develops, manufactures, implements, markets, and sells energy management systems for the commercial office and retail, area lighting, and industrial high bay markets. It operates in U.S. Markets, Orion Engineered Systems, and Orion Distribution Services segments. It offers LDR, an LED door retrofit product for architectural, industrial, and contractor product lines; and LED interior high bay lighting products consisting of Apollo class of LED interior fixtures designed for new construction and retrofit projects, and ISON class of LED interior fixtures. The company also provides Orion ISON and Apollo LED exterior area fixtures and lights, and Apollo LED wall packs for new construction and retrofit projects; HIF lighting systems to reduce electricity consumption in commercial and industrial facilities; and InteLite wireless dynamic control products that allow customers to remotely communicate with and give commands to individual light fixtures and other peripheral devices through Web-based software, and allow the customer to configure and easily change the control parameters of each fixture based on various inputs and conditions. In addition, it offers Apollo solar light pipe; and LED, HIF, and induction fixtures to address lighting and energy management needs, including fixtures designed for agribusinesses, parking lots, roadways, outdoor applications, and private label resale. Further, the company provides lighting-related energy management services, such as site assessment, site field verification, utility incentive and government subsidy management, engineering design, project management, and installation. It sells its products through a network of resellers, energy service companies, electrical contractors, and electrical distributors. Orion Energy Systems, Inc. was founded in 1996 and is headquartered in Manitowoc, Wisconsin.