GSI Offices & Contact Information

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Call us at 877.GSI.1956


Guard Systems Inc.

1190 Monterey Pass Road Monterey Park, CA 91754

Toll Free: 877.GSI.1956
Phone: 323-881-6711
Fax: 323-261-7841

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Check out our services

We provide fanatical customer service support & offer a full range of security services that are customized to meet the needs of our customers with unequaled flexibility & adaptability.

Member of ASIS
Member of CACM
Member of CAL SAGA
Member of CAI
Member of IREM
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