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Postal Address

Concentric Systems, Inc.
4300 82nd Street  Unit I
Sacramento, CA 95826

 

D T S Technologies, Inc.
640 Harvest Park Drive  Unit L

Brentwood, CA 94513

 

800.573.6146

Fax - 916.273.4807

Info@concentric-systems.com

Departments

Security Monitoring Center
800.573.6146  Ext 100

 

Customer Service

800.573.6146  Ext 440


Sales
800.573.6146  Ext 410

 

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