NorthStar Alarm Services has been recapitalized by a group of new investors, including Goldman Sachs and The Beekman Group. NorthStar is a Utah-based alarm company that sells home automation and video service systems, including thermostats, door locks, smart garage systems, and lighting and appliance controls. The company has also expanded its current credit facility to $40 million with Bank of America and Zions Bank in conjunction with the recapitalization.