In this article the authors discuss how they implemented and promoted Geographic Information System (GIS) applications at Weber State University (WSU), a four-year public institution with two campuses. GIS is a type of computer system made of hardware, software, and data that allows the mapping of spatially related layers that have a common geographic component. This layering capability allows data to be displayed and analyzed in graphical form, typically on a map. GIS is an interdisciplinary tool that can be used in all university departments. To promote the usage of GIS at WSU, the authors began working with individual departments and faculty members to incorporate GIS into their curricula through workshops, e-mail, newsletters, individual and departmental meetings, and tours of the geosciences department's GIS lab. The authors also discuss how GIS applications can be used in businesses, criminal justice, and healthcare. (Contains 1 figure.)