Professional Lighting and Sound Association was established to provide commercial benefits to a business community, whilst improving working practices and advancing levels of safety and training within the entertainment, presentation, installation and communications industries. Our website aims to be the main gateway to information for industry professionals worldwide. There are many facets to the PLASA organization. At its heart is the Professional Lighting and Sound Association, a leading trade body for the industry, representing just under 500 members worldwide. PLASA also owns the annual PLASA Show in London, and is the publisher of Lighting&Sound International and Lighting&Sound America magazines and the respected LSI Online News service.