Manufacturing Execution System - an operational IT system controlling manufacturing processes including interaction with automated equipments and integration to ERP. 

SAP Manufacturing Integration and Intelligence, system used by Syensqo as middle-ware between current ECC instances and MES systems 

Materials Requirement Planning - planning the materials required in order to manufacture goods in the future based on the ingredients required for a product, the expected types and quantities of products expected to be manufactured, the lead times by suppliers, etc. 

In logistics, this term is used to describe a circular route typically originating at a storage location or warehouse, which has multiple stops, at each of which items are delivered or collected.