1) Maintain records of goods ordered and received. 2) Locate vendors of materials or supplies, and interview them in order to determine product availability and terms of sales. 3) Prepare and process requisitions and purchase orders for supplies. 4) Control purchasing department budgets. 5) Review purchase order claims and contracts for conformance to company policy. 6) Analyze market and delivery systems in order to assess present and future material availability. 7) Develop and implement purchasing and contract management instructions, policies, and procedures. 8) Resolve vendor or contractor grievances, and claims against suppliers. 9) Represent companies in negotiating contracts and formulating policies with suppliers. 10) Direct and coordinate activities of personnel engaged in buying, selling, and distributing materials and supplies. 11) Prepare reports regarding market conditions and merchandise costs. 12) Administer on-line purchasing systems. 13) Arrange for disposal of surplus materials.