Hammer is a British film and television production company founded in 1934 that specializes in horror films. It is headquartered in London and owned by Exclusive Media. Hammer found success in the 1950s with horror films adapted from science fiction stories that received an X rating for violence and gore. Some recent Hammer horror films include Let Me In from 2010 with box office revenues over $24 million, Wake Wood of unknown budget and box office, and The Quiet Ones from 2014 with box office revenues of nearly $18 million.