The approach to cost management of production expenses of remedies of temperature control at RI-RPC “LUCH”, FSUE has been considered on the base of usage of controlling concept. Controlling principles in knowledge-intensive productions have been shortly described, type range of remedies of temperature control, produced by RI-RPC “LUCH” for the needs of nuclear power stations and enterprises of general purposes has been characterized. The features of works at the enterprise, providing quality and reliability of manufacturing products have been discussed. Content of tools for controlling has been conduced and the departments, realizing these tools in the process of cost management at RI-RPC “LUCH” have been presented.