AlliedBarton was a prominent security services company in the United States, known for providing a range of security solutions to various industries. Founded in 1957, it specialized in offering on-site security personnel, mobile patrols, and security consulting services to help protect businesses and their assets. In 2016, AlliedBarton merged with Universal Services of America to form Allied Universal, which became one of the largest security companies in North America. This merger expanded their service offerings and enhanced their ability to meet the growing security needs of clients across different sectors.