text: The software is used by plant developers (e.g. EPC) to plan process plants (chemical, energy, water / waste water, pharmaceuticals, oil, natural gas, food, etc.). It is also used by plant owner/operators in the mentioned industries, since COMOS not only supports engineering but also operational processes. There are regular user conferences. Its architecture makes COMOS suitable for engineering: it can manage large quantities of data and provide it on an integrated basis. Siemens cooperates in the standardization of export and import interfaces (DEXPI - Data Exchange in the Process Industry), an initiative together with BASF, Bayer, and Evonik.