Type of Purchase Description Examples Raw materials Items with a lack of processing by the supplier into a newly formed product. Often these raw materials are not of equal quality and are purchased by “grade.” Petroleum, coal, lumber, copper, zinc, gold, and silver Semi-finished products and components All items purchased from a supplier required to support an organization’s final that are production. Components, subassemblies, assemblies, subsystems, and systems (seat assembly, steering assembly, doors, and posts) Finished products Products for internal use or products that require no major processing before resale to the end customer. Furniture, computers, cars, and carts Maintenance, repair, and operating items (MRO) Items that do not go directly into an organization’s product but are required to run the business. Spare parts, office and cleaning supplies Production support items Materials required for packaging and shipping. Tape, bags, inserts, and shrink-wrap Services Services required to support the facility or the business. Customer support, temporary labor , facilities, and legal Capital equipment Assets intended to be used for more than one year. Machinery, computer systems, and material-handling equipment Transportation and third-party purchasing A specialized type of service buying to manage inbound and outbound material flows. Rail, truck, ocean, 3PL, and multimodal