OSRAM SYLVANIA ballast, bulb, or light-emitting diode module. Operating through about 20 manufacturing plants and 12 labs, OSRAM SYLVANIA researches, develops, makes, and markets a swath of energy-saving lighting products, including precision materials and components, and fixtures. It also designs and makes electronic control systems used in manufacturing lighting products. Its lineup ignites a myriad of aerospace, auto, electronics, home and business, and industrial applications. Valeo Sylvania, a joint venture with Valeo, specializes in vehicular lighting. OSRAM SYLVANIA company is a subsidiary of Siemens Industry, Inc., the US affiliate of Siemens AG.