Babcock International Group plc (Babcock International Group) is a multinational company headquartered in London, England, founded in 1891, and is one of the largest defense contractors in the United Kingdom, with operations in naval, military, aerospace, and nuclear-related fields. Its business covers naval, military, aerospace and nuclear-related fields. According to the 2015 list of the world's top 100 defense contractors, Babcock International Group was ranked 22nd in the world.