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Business – GE NetworX

Update 1st keypad and board: $99 Wireless Monitoring Transmitter: $89 Monitoring Rate: $24.95/month No…

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Business – 2GIG

$399 Wireless Monitoring Transmitter Included Monitoring Rate: $24.95/month No Contract First monitoring billing cycle…

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Business – Compatible DSC/Honeywell

Good news! Most DSC & Honeywell systems are compatible.* Take over existing system: $0…

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Business – Need a system

$399 Wireless Monitoring Transmitter Included Monitoring Rate: $24.95/month No Contract First monitoring billing cycle…

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Home – Builder prewired

$399 Wireless Monitoring Transmitter Included Monitoring Rate: $16.95/month No Contract First monitoring billing cycle…

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Home – New system from scratch

$399 Wireless Monitoring Transmitter Included Monitoring Rate: $16.95/month No Contract First monitoring billing cycle…

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Family Owned Dallas Home Security Company Since 1978

We are the largest independent alarm company in Texas, family owned and operated since 1978. Two generations of family are on the job, and now offering multiple home services.

No Contracts. No Price Increases.

Get a Quote today!

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What our customers say

100% Satisfied

From the first phone call to the actual use of our security system we have been 100% satisfied! The technician was knowledgeable and courteous. He was able to answer all my questions and get the system up and running in no time. Thank you Smith Thompson Home Security for making our home more secure and at an affordable price to do so!!!!

Happy Customer Dallas, TX

We had a great experience with Smith Thompson

Recently for our home in downtown Houston! I was referred to Smith Thompson by a friend after expressing frustration with some of the larger brands that lock you into a 3-year contract. We called to inquire about the most cost-effective…

Excited Customer Houston, Texas
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We've had the same 16.95 rate for 45 years!