Vector Security (No. 4 on the SDM 100) announced the acquisition of ADS Security (No. 15 on the SDM 100). The transaction officially closed today. Collectively both companies will have close to $20 million in recurring monthly revenue and a customer base of nearly 400,000 subscribers. 

SnapAV, a manufacturer and source of A/V, surveillance, networking and remote management products for professional integrators, and Control4 Corporation, a global provider of smart home solutions, today announced that they have entered into a definitive merger agreement stating SnapAV will acquire Control4 in an all cash transaction for $23.91 per share in cash, representing an aggregate value of approximately $680 million.

International Systems of America (ISA) and ABCO Fire Protection (ABCO) announced a merger in August 2018, and they have together now rebranded under one name: Protegis Fire & Safety. 

Last year was a big one for security industry mergers and acquisitions. SDM counted at least seven major deals involving security dealers or integrators — as either buyers or sellers.