This document summarizes information about three major film studios - Lionsgate Films, Universal Studios, and Warner Bros. Pictures - that are known for producing horror films. It provides details for each studio such as their founding dates and locations, notable films produced, and financial performance. Key horror film franchises mentioned across the three studios include Saw, Texas Chainsaw Massacre, The Purge, The Conjuring, Annabelle, and Friday the 13th.