This paper considers the methodological aspects of forming a development strategy for the regional socioeconomic system (by the example of radio-electronic enterprises in the Republic of Tatarstan). The paper suggests a conceptual scheme of the macro- and micro-factors' influence on the regional socioeconomic system. This scheme is based on the study of the market power of enterprise's contact persons (suppliers, competitors, and consumers) and subjects that have an indirect impact (government, markets, financial institutions, insurance companies, etc.). It has a hierarchic structure and allows coordinating the terms of cooperation for different elements of the socioeconomic system. The paper builds a formation algorithm for the manufacturing program of radio-electronic enterprises. A peculiar feature of this algorithm is its focus on involving resources of the enterprise's external environment on terms that are acceptable to an economic entity. The paper also suggests stages of the development strategy for the regional socioeconomic system that are based on the principles of lean production, which assume the determination and market substantiation of the regional resource intensity limit of separate productions. This allows plotting an evolutionary vector for the transformation of the socioeconomic system into an adaptive structure with such properties as self-organization and self-regulation.