1 PERFORMANCE JUST IN TIME METHOD IN THE PRODUCTION PROCESS TO IMPROVE EFFICIENCY IN THE COMPANY Achmad Daengs. GS 1 , Muaffaq A Jani 2 , Andi Farouq Hasan 3 1,3 University of 45 Surabaya, Mayjen Sungkono Street 106, Surabaya, 60256, East Java, Indonesia 2 University of 17 Agustus 1945, Semolowaru 45 Street, 60118, East Java, Indonesia ABSTRACT The production system must be supported by appropriate production strategy so that the company's performance running optimally and efficiently. The production system that supports the achievement of optimization and efficiency is Just In Time, because JIT system is apply the system that all forms of waste must be eliminated. This company produces lamps, but in the process of production is still using traditional methods that often there were the waste, especially excess of production so that the product inventory are piling up of warehouses. The purpose of this study to find out how the role of JIT system in the production process in order to improve the company efficiency. The conclusion of this study are: (i) the implementation of JIT systems will improve production systems; (ii) the production process are more efficient because the company only did the production process based on consumer demand so o minimize inventory and inventory costs (iii) it provides production processes efficiency which proven by the reduction of non-value added activities by 0.08%. Keywords: Just in Time, Efficiency, Production, Process 1. Introduction Nowadays, the development of industry is growing rapidly, in the world of industry the businessmen are required to give full attention for their products. At present, the consumers are very selective of products that they are needed, in terms of benefits and costs. A quality product at a low price and timeliness in accordance with the demand absolutely must be met when a company wants to survive in the market competition. The success or failure of a company is generally characterized by the ability of management to see the possibilities and opportunities to the future, both short and long terms. The main activities of management in the planning of the production process are the making-decision in the selection of various alternatives and policy formulation in to use of the methods that to carry out the production activities. One of the best alternatives for the company to maintain the continuity and level of expected income is to apply a method which can reduce the costs of production. The method is known by Just In Time (JIT) method. Management of production is a branch of management that regulates their activities in order to create and add to the close of certain goods and services. To regulate this some activity, decisions to be made related achieve the goal of keeping the goods and services produced in accordance with what was planned. Thus, management of production involves decision-making 1 Corresponding Author address E-mail:bumigora80@gmail.com