Agro industries are the industry's most promising and holds great promise for farmers in Indonesia. However, there is a pile of problems in the agricultural industry in Indonesia, namely fluctuations in prices when the implementation of the harvest. These constraints caused by increased yields while consumer demand has not changed, as a result of certain commodity farmers suffered losses. The major causes of products instability is because lack of information for the amount of the supply needs of the crop for farmers. For this reason, information management of agriculture (E-Agriculture) utilizing simulation production forecasts by combining GIS technology and SMS Gateway will be modeled as a basis to solve the problems of agriculture in province of West Java, especially in the district of Bandung and Garut in regulating the balance of plant production horticulture.Simulation web based Geographic Information System (GIS) is developed by considering simulation components, GIS and SMS Gateway Technology, and Spatial Data Layer.