Esri (Environmental Systems Research Institute) is an international supplier of geographic information system (GIS) software, web GIS and geodatabase management applications. The company is headquartered in Redlands, California.
The company was founded as the Environmental Systems Research Institute in 1969 as a land-use consulting firm. Esri products (particularly ArcGIS Desktop) have 40.7% of the global market share.
The company has 10 regional offices in the U.S. and a network of more than 80 international distributors, with about a million users in 200 countries. The firm has 3,800 employees globally, and is privately held by its founders.
