Keeping New Hampshire residents safe is the driving force behind Mango Security Systems in Gilford, NH. From sophisticated intruder-alert systems to dedicated fire detection units to reliable cameras and video monitoring, and more.
What began in 2006 with gas-license courses has grown into the Granite State Trade School, which now offers plumbing apprenticeships, HVAC training and oil-burner training in online courses as well as in-house classes.
