Abstract: In her article Naugolnikova describes the features of the cost formation and cost accounting at industrial enterprises with small-scale production and order production type. The author also touches upon specific calculation of the cost of industrial products by applying job-order product costing method depending on the specializatin of an enterprise that may be a technological, substantive, or a mixed type. The author reveals the problems of the process of calculating the cost of production with long production cycle in terms of management and accounting. The content of calculation articles of industrial enterprises is also provided. The methodological basis of the research includes methods such as logical, structural, functional analysis, and statistical and economic-mathematical methods. The author analyzes the dynamics and final finance indicators of the engine-building factory 'Kuznetsov' located in the Samara Region. The author describes drawbacks of applying the standard costing method and emphasizes the need to apply the margin approach to defining the cost of sales, assortment policy and volumes of sales based on the example of the Kuznetsov Factory.