Corporate Offices

SecTek operates in more than 700 locations nationwide. To do this effectively, our systems operate from the cloud. We believe this approach provides operational efficiencies and improves contract management as issues are elevated in real-time for resolution. The headquarters for each entity is below.

SecTek, Inc.
1930 Isaac Newton Square
Suite 100
Reston, VA 20190
Phone: 703-435-0970    
Fax: 703-834-0124

Map >                                                         

Crown Security System, Inc.
2120 North Charles St.
Baltimore, MD 21218
Phone: 410-235-5577
Fax: 410-889-7005


The Diamond Group
6410 Southwest Blvd.
Suite 128
Fort Worth, TX 76109
Phone: 817-732-2829
Fax: 817-735-0028


You can also reach us by filling out the form on our Contact page.


States In Which SecTek and It's Subsidiaries are Licensed to Operate




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