• Sentinel Receives (ISO) 9001:2015 Certification

    Sentinel Offender Services LLC, one of the nation’s leading providers of electronic monitoring services and technologies, is pleased to announce that it has successfully completed its  International Organization for Standardization...

  • Sentinel Offender Services and GTL Team to Provide Offender Tracking and Monitoring Technology

    Through this collaboration, GTL will offer the Sentinel suite of offender tracking and monitoring products and Sentinel will offer Guardian. This will allow both companies to provide a wide range of services to corrections, probation, parole, and community corrections agencies that pertain to the entire cycle of incarceration from initial arrest through probation and parole.