Environmental Systems Research Institute

Esri (ˈɛzriː; Environmental Systems Research Institute) is an American multinational geographic information system (GIS) software company. It is best known for its ArcGIS products. With a 40% market share, Esri is the world's leading supplier of GIS software, web GIS and geodatabase management applications. The company is headquartered in Redlands, California. Founded as the Environmental Systems Research Institute in 1969 as a land-use consulting firm, Esri currently has 49 offices worldwide including 11 research and development centers in the United States, Europe, the Middle East and Africa and Asia Pacific. There are 10 regional U.S. offices and over 3,000 partners globally, with users in every country and a total of over a million active users in 350,000 organizations. These include Fortune 500 companies, most national governments, 20,000 cities, all 50 US States and 7,000+ universities. The firm has 4,000 total employees, and is privately held by its founders. In a 2016 Investor's Business Daily article, Esri's annual revenues were indicated to be $1.1 billion. The company hosts an annual International User's Conference, which was first held on the Redlands campus in 1981 with 16 attendees. The 43rd User Conference was held in San Diego at the San Diego Convention Center. In 2022, 31,590 users from 142 countries attended either in person or digitally. ArcGIS Esri uses the name ArcGIS to refer to its suite of GIS software products, which operate on desktop, server, and mobile platforms. ArcGIS also includes developer products and web services. In a general sense, the term GIS describes any information system that integrates, stores, edits, analyzes, shares and displays geographic information for informing decision making. The term GIS-Centric, however, has been specifically defined as the use of the Esri ArcGIS geodatabase as the asset and feature data repository central to computerized maintenance management systems (CMMS) as a part of enterprise asset management and analytical software systems.