Acuity Brands Lighting is one of the largest manufacturers of lighting fixtures used in commercial, institutional, industrial and residential applications. Its products include motion sensors, die-cast glass refractors and surface mounts. The company offers a variety of cleaners, deodorizers, pesticides and specialty chemical products. Acuity Brands Lighting offers products under several brands, such as Lithonia Lighting, Holophane, Peerless, Mark Architectural Lighting, Hydrel, American Electric Lighting, Gotham, Carandini, SpecLight, MetalOptics and Antique Street Lamps. The company employs more than 6,500 people and has operations throughout North America, Europe and Asia. It is a part of Acuity Brands, which has annual sales of approximately $2 billion.