Good choice on avoiding ADT..etc. I foolishly signed a 3 year contract in the past.

• Call local security companies (not ones representing dealers like ADT, Brinks)
• Tell them you have your own hardware, and you are wondering if they provide monitoring service
• If they do investigate their month-to-month monitoring agreement
• If they don't they will probably tell you who they subcontract the monitoring to, you can then contact them directly for service

Over the term of a 36 month contract you get killed financially, it is way cheaper to avoid monitoring contracts, and go month-to-month.

As if that would work, only 1 in 10 RTFA to begin with.