Leading the Mass Notification Services Industry

CTC and you ~ solution realized....

Providing Turn-Key Solutions from proven technology partners

  • CTC Mass Notification Systems

    WHELEN ~

    is the leading Siren and Giant Voice manufacturer, Whelen Engineering Company products are proudly design, engineered and manufactured in the United States of America.

  • CTC Mass Notification Systems

    CentrAlert ~

    computer-software products provide control for all of your mass notification methods, including sirens, text messaging, tone alert radios, e-mail blast alerts, readerboards, telephone call-outs and many others.

  • CTC Mass Notification Systems

    BYTEL ~

    Provides integration of communication components of Motorola-radios to communicate between Whelen sirens.


(509) 290-6940 Office
(509) 290-6950 Fax
(509) 630-6266 Emergency Number

*CTC Mass Notifications Systems is an Authorized Distributor ~ For Your Turn-Key Design/Build Solutions.
*CTC Electrical Contracting, Inc. is an Authorized Installer, Maintenance & Service Provider, in Tandum with being a Facility Trainer.
**Site Sound Audits Available Upon Request.