With ea, you make the expected payments in exchange for a mandatory series of software, services and training during the term of the contract. Contact your esri Account Manager, your on-site esri subsidiary or call 800-447-9778 in the United States. International customers can contact their Esri distributor in the country. EAs are designed to meet many different customer requirements and infrastructures, including commercial enterprises. government authorities and services; and other qualified organizations. Updates and patches can be downloaded from the Internet as soon as they are available. Media can be provided if a customer does not have access to the Internet. Yes, EAs were designed to help each organization provide and support large GIS implementations. .