At the 2016 NENA Conference in Indianapolis, IN, Jack Kessler of 20/20 Technical Advisors, LLC and Dana Wahlberg of the State of Minnesota Emergency Communication Networks talked about the work 20/20 Technical did building the inventory for the State of Minnesota and how important it has become. A comprehensive network inventory in integral to the daily operation of a 9-1-1 network. As public safety migrates to NG9-1-1, it becomes even more important. This presentation shares the State of Minnesota’s experiences of life without that comprehensive inventory, the benefits after completion, and how it is maintained and kept up-to-date.