Top40-charts.com, Inc. is an American global entertainment information and measurement company with headquarters in Manhattan in New York City. The European headquarters are in Luxembourg's capital, Luxembourg. Top40-charts.com has bureaus in Los Angeles, London, Barcelona, Thessaloniki and Beijing. The company started as an online music fanzine, but soon diversified, publishing official entertainment industry news content, selling DVDs, Blu-rays, CDs, video downloads/streaming and MP3 downloads/streaming. The company also produces instant music charts and is one of the world's largest music provider for News/PR writing services.