The object of research: process of becoming of the market infrastructure enterprises in northwest region of Ukraine - Volyn, Rovno and, especially, in Zhуtomуr oblast The purpose of research: the theoretical and methodological substantiation and development of the basic directions of the agricultural market infrastructure formation and functioning on the regional level Methods: a dialectical method of knowledge, scientific abstraction, statistical and economic, monographic, sociological interrogations, an expert estimation, the analysis and synthesis, settlement-constructive, abstracts and logic Theoretical and practical results: The theoretical results assist the enrichment of the conceptual device and research approaches to the formation of the agricultural market, a deepening of knowledge of methodological aspects of development of the infrastructure elements in Ukraine. The practical value lays in the possibility of results using by specialists and operators of the agrarian market. The obtained results also assist to the exchange trading, cooperative movement improvement, information and financial-credit maintenance Research novelty: definition of essence, structure and functions of the agricultural market infrastructure is conducted and added, the classification of its elements is carried out; for the first time it is proved necessity of formation of the agricultural market infrastructure on cooperative bases; the expediency of reduction of quantity of the commodity exchanges are grounded, first of all in regions where there is no the highly productive grain husbandry, effectively functioning currency-financial market, advanced transport system; it is determined the essence and features of activity of the agricultural cooperatives at rural communities; the necessity of priority development of the credit unions and cooperative banks for the formation of a financial-credit infrastructure of the agricultural market with subsequent their transformation at three-level (pyramidal) cooperative bank system is proved and defined; the organizational approach to formation of a information infrastructure of the agrarian market that is based on the creation of regional agrarian extension service is worked out Degree of introduction: the results of research are introduced by Central administrative board of the agriculture in Zhytomyr oblast, the National union of agricultural cooperatives of Ukraine, Zhytomyr commodity agroindustrial exchange trade, agricultural market cooperative “Popelnya trade house”, and also in educational process of the State University of Agriculture and Ecology Efficiency: the results of research form the concepts of development of the agricultural market infrastructure on the regional level Sphere, area of use: agriculture economy and agrarian and industrial complex