Family Owned & Operated since 1978 in Texas. We own and operate our own UL listed dispatch center right here in Texas, and that’s how we’re able to offer high quality monitoring at a great price. We are the largest independent alarm company in Texas. Honest Dallas Fort Worth Security Systems. For over 40 years, we’ve never raised our $16.95 monitoring rate, and never required a contract. That makes Smith Thompson Home Security one of the last true performance based security companies in Dallas. If a company says they have great... read full review »