“Marv Britton was a highly respected person in the industry and truly a gentleman, a man of great character and a person universally liked,” declared Stanley Oppenheim, president of DGA Security Systems, New York. “He had a successful alarm company and was responsible for starting DMP.

Britton founded Atlas Security Service in 1962, which grew to be the largest independently owned and operated security company in southwest Missouri. His son-in-law, Jim Wade, owner of Atlas Security, recalled that Britton liked to say he got in the security business by buying the assets of a company called Atlas Patrol, which were a badge and a shoebox.