Statistical techniques were used to analysis collected data in order obtain answers to questions. Many questions of our survey are based on five point Likert type scales .Achieving accurate data and understanding of maintenance processes and parameters that are being measured. The data analyses help the best practices which lead to superior performance. The best practices are practices are that enable a company to be become a leader in its marketplace. Benchmarking process in maintenance used the following steps. Conduct internal analysis, identify areas for improvement, find partners, make contact, develop questionnaire, perform sit visits, compile results, develop and implement improvements and do it again. The goal of internal analysis is to identify weaknesses and areas that need improvement in company. Goals of maintenance organization are maximum production at lowest cost, highest quality, an