• OnDuty Systems (@OnDutySystems) / Twitter

    twitter.comondutysystems
    OnDuty Systems provides residential and commercial security systems for the greater Houston area.

  • OnDuty also provides professional pest and termite services...

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    Call today and ask about our security and pest bundle! 713.378.7500 or sales@onduty.com.

  • OnDuty Systems on Twitter: "If you do not have a back up..."

    twitter.comOnDutySystems/status/…
    If you do not have a back up monitoring system on your residence or business alarm system, http://onduty.com/bat.htm Burglars cut lines!

  • ON DUTY Magazine (@ONDUTYMagazine) / Twitter

    twitter.comONDUTYMagazine
    Magazine for the Brave. Australia. onduty.com.au.

  • ON DUTY Magazine (@ONDUTYMagazeni) / Twitter

    twitter.comondutymagazeni
    Magazine for the Brave. Australia. onduty.com.au.

  • If you do not have backup communication to your alarm...

    twitter.comOnDutySystems/status/…
    OnDuty Systems @OnDutySystems · Dec 11, 2015 If you do not have backup communication to your alarm system, check out our BAT System http...