Why choose glotel? Glotel specializes in professional services for IT, engineering, network & data, communications, PMO offerings and specialty services. Glotel is a trusted provider of managed services for site development, operations support, and network planning/RF.What awards has glotel won? Glotel is a recipient of the following awards: 2017 Gold Stevie Award as a Great Employer for Achievement in Employee Relations 2017 Best and Brightest Companies To Work For in the Nation 2017 Silver Stevie Awards for Women in Business for Female Executive of the Year Glotel’s headquarters are located in Chicago, IL.Why choose gtl for your its? GTL maintains and supports all ITS equipment, software, and functionality for the term of the contract. GTL is renowned in the industry for its exceptional expertise in integrating multiple vendors at correctional facilities. We have successfully integrated with more systems (jail management, commissary, etc.) than any other vendor.What is a gtl data facility? GTL data facilities provide a network capable of handling all of GTL’s voice, data, and call validation and management requirements.