The implementation of the concept of digitalization of the business in procurement requires management of the oil company a fundamentally new management decisions based on reliable business intelligence and analytical tools. As such, advocates the concept of category management and analytical tools, the use of which allows to obtain qualitatively new information about goods, works, services, suppliers, markets, procurement and much more. However, this information is stored in a database, the wide use of which will allow the company to build a reasonable and effective strategy in procurement. This article shows you how to integrate modern digital technology and tools of category management to improve the efficiency of procurement activities in oil companies. Presented developed by the authors of tools of categorization in the procurement process for the formation of business intelligence. An algorithm for the implementation of category management in the procurement unit in the oil company, which is based on the block diagram of the business process "Procurement" and methodical principles of the ABC-analysis, SHManalysis, categorical analysis, procurement and suppliers, as well as methods of assessing the effectiveness of procurement activities. Also the authors indicated the subject area of procurement, the implementation of which should be carried out on the basis of information technologies of BIG DATA and business intelligence.