Microsoft Great Plains has full-featured Manufacturing suite of modules: Capacity Requirements Planning, Job Costing, Master Production Scheduling, Materials Requirements Planning, etc. However Microsoft Great Manufacturing serves so-called discrete manufacturing market niche. At the same time Great Plains fits to mid-size companies, where manufacturing processes might be categorized as light assembly. One of our clients, mid-size crane trucks manufacturing facility recently outsourced all the parts assembly to overseas partners and concentrated on sales, distribution, leasing and only light final assembly. This small article describes you how you could deploy Microsoft Great Plains Bill or Materials in process manufacturing. We will describe combination of Sales Order Processing (SOP) module to get customer orders, Bill of Materials (BOM) to assembly for the order, Inventory Control (IV) to allocate materials and Purchase Order Processing (POP) to replenish inventory