As somebody who feels that it should be a necessity for all properties to have fire sprinkler systems, I am a big fan of this company. I have used them numerous times to service my home system and they are very knowledgeable. I would highly recommend their service.
One look at Rad Fire Sprinkler's website will tell you that these guys know exactly what they are talking about when it comes to Fire Sprinklers and the legislation surrounding fire safety. A very trustworthy company.