Not only does the SDM 100 now have a new top 3, but signs of the SDM 100 becoming more of a services-focused business model are apparent.
Since the SDM 100 began ranking security companies by their recurring monthly revenue (RMR) in 2007, the top three companies have been ADT, Protection 1 and Monitronics (with the exception of Brink’s Home Security/Broadview, which subsequently was acquired by ADT).