I am not certain exactly where this company is located although the local Las Vegas, NV office is located at: 4545 W. Spring Mountain Road. All I can tell you is that their service SUCKS! Everyone and anyone who has anything to do with the ERN (Emergency Response Network, Inc. (now changed to IASG, Integrated Alarm Services Group, Inc.) should check their agreement immediately if you are thinking of using their home protection alarm services. They have a clause, (in small print) that they will automatically renew your contract every three... read full review »