Esri

Esri ( /ˈɛzriː/) is the leading worldwide supplier of Geographic Information System (GIS) software and geodatabase management applications. The company has an installed base of more than one million users in more than 350,000 organizations, including most US federal agencies and national mapping agencies, all 50 US state health departments, transportation agencies, forestry companies, utilities, state and local government, schools and universities, NGOs, and across commercial business. Esri is headquartered in Redlands, California.