GTI provides leading edge telesales and teleservices to a growing list of industries. Our customer centric management team and state of the art integrated hardware and software solutions allow GTI to provide superior performance for your business, and more importantly, your customers. With a core competency in third party verification (TPV), both Live and IVR units, GTI has been providing third-party-verification services for major energy, telecommunication, and insurance companies for two decades.