Contact Us
Defender-USA manufactures and sells home and business security systems. We are not affiliated with Defender Securities or ADT. Please contact them directly for additional information.
HEAD OFFICE
DEFENDER
4080 Montrose Road
Niagara Falls, ON
Canada, L2H 1J9
USA OFFICE
DEFENDER
840 Aero Drive
Cheektowaga, NY
USA, 14225
ORDER INQUIRES OR ASSISTANCE
Call Us Now!! Toll-free in the United States or Canada:
For Sales: 1.866.946.7828
For Support: 1.866.353.1217
NEW HOURS:
Monday - Friday: 8:00am - 6:00pm EST