Applied Geographics, Inc. (AppGeo, www.AppGeo.com) is devoted to solving problems and creating insights using geospatial Information Technology (geospatial IT). AppGeo has been deploying and building solutions with Open Source geospatial tools since 2008 and our use of these tools and the proportion of our business involving these tools has increased every year. We have Open Sourced several pieces of our own work and our staff have contributed to numerous projects on GitHub. Representative of this experience, AppGeo has designed, implemented and hosts Open Source GIS mapping services for over 100 clients across the United States. We also advise clients on approaches and architectures for implementing Open Source GIS at an enterprise level, assist them in integrating commercial systems with Open Source components, and help them to plan and support their migration strategies. AppGeo is proud of its record of attendance at every FOSS4G conference held in North America since 2010.