This document discusses a case study of Corptax, Inc improving their customer satisfaction through better troubleshooting. It describes how Corptax implemented a diagnostic troubleshooting process and training from Impact Learning Systems to improve employee troubleshooting skills. As a result, Corptax saw improvements in key metrics like resolution time, first contact resolution rates, and SLA achievement. The training also increased employee and customer satisfaction levels. Corptax has been recognized with several industry awards for excellence in support services.