American Alarm and Communications Inc. completed the acquisition of Sentinel Security Systems of Worcester, a provider of security services to homes and businesses in Central Massachusetts since 1995.

SDI announced the acquisition of X7. The acquisition — SDI’s second in as many months — established SDI as a $70 million systems integrator.

Honeywell Security joined the PPVAR as a platinum associate member.

ADS Security announced on August 14 it acquired the customer accounts of Security Services Inc. in Savannah, Ga. 

The acquisition of IRG leads the groundwork for business intelligence offerings and the expansion of services that provide turnkey solutions for retailers and multisite businesses, Vector Security stated.

A gratified Jack DeMao, chief executive officer of Electric Guard Dog, commented, “We're proud of the team we've assembled. They've been working overtime in a complex economic environment. As more and more cities face economic challenges, more crime, and reduced law enforcement, our people have been there to help, on the ground, assisting commercial companies protect their employees and property.”

The median company on the exclusive list increased sales more than 140 percent since the start of 2010.

Samsung Techwin America unveiled the company’s newly constructed Executive Briefing Center at its U.S. headquarters in Ridgefield Park, N.J.