Designing a Operational Evaluation Model for Outsourcing Decision Making by Effective Outsourcing Factors

Organizations around the world are looking for new approaches to maintain or develop competitive advantage. Outsourcing can be such an approach and one of the strategies that can lead to greater competitiveness.
Maintaining and developing core competences as a way of providing barriers to protect against present and future competitors; make full use of external capabilities, innovation and investment; and finally, provide better service, quality and cost to the customer.
In this study we determined variables and factors involved in maintenance outsourcing process and developed a generic model for the maintenance outsourcing process by three main factors such as characteristics of organization, characteristics of Environment / Industry and characteristics of Contractors. Then the proposed model has been tested in an electric company by the use of gray theory in order to determine that the organization do complete outsourcing or outsourcing with non-decisions.