Touch GIS LLC is a company that develops the Touch GIS app, a mobile geographic information system (GIS) application designed for iOS devices. The app allows users to collect, edit, and manage spatial data directly from their mobile devices. It is tailored for professionals in fields such as environmental science, urban planning, and infrastructure management, providing tools for mapping, data visualization, and spatial analysis. Touch GIS aims to offer a user-friendly interface and offline capabilities, making it convenient for fieldwork where internet access may be limited. Their official website, http://touchgis.app, provides more information about the app's features, pricing, and support resources.