- August 18, 2010: Portman Security Systems announces its “Virtual Guardian” system for Early Release Offenders (ProSecurityZone.com)
- July 27, 2010: Portman’s New App Allows Easy Access to GPS Tracking Devices (PRlog.org)
- July 14, 2010: Portman Security’s Green GPS Tracking Devices Harness Solar, Wind Power (iTechWire.org)
- July 12, 2010: Portman Security Systems Patent Approved for European Union (MoreRFID.com)
- June 24, 2010: CTS100 Covert Tracking and Monitoring Device Delivers Instant Information (ThomasNet) *
- January 30, 2009: Portman Announces Grand Opening of Their Newest 200,000 Sq. Ft. Manufacturing Facility
- October, 2008: Portman's GT2000NP Personal Tracker Featured on Cover of Telecom Products Magazine (Global Sources)
- September 16, 2008: Portman Announces New Body Armor GPS Tracking System (WITS) for Law Enforcement (ThomasNet)
- New England Business Report: New Solar Trailer Tracker (Audio file: opens new window)
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