During the last two decades, as a result of the developments in technology, market globalization, and new conditions in political economy, managers have witnessed a period of great global changes. Today companies should increase their competitive potential and profitability by functioning in line with cost reduction, and offering products with reasonable prices as desired by customers.

Lean supply chain approach identifies the importance of decreasing the changes, improving the current situation and finally decreasing the need to supply and capacity of trust (reliability). In fact it can be said that the above mentioned approach focuses on the internal processes of the supply chain in accordance with creation of potentiality and thus it dose not stress on the effective environmental indices that affect the direction of competitiveness. It should be mentioned that this approach will be analyzed in a serious competitive atmosphere and its variables will be studied with regard to the competitiveness of an origination or industry compared to its competitors.

This research focuses on the determination of the SAPCO's competitiveness supply chain situation and its problems while considering existent factors of both Porter´s diamond of national competitiveness model and lean supply chain model (based on the research of southern Georgia university), obtained via the results of statistical analysis of questionnaires transmitted to SAPCO's experts and managers and analyzed by SPSS software. Ultimately, this research will present and propose an appropriate model for SAPCO's supply chain while considering two points of view i.e. being lean and competitive in a specific framework and clear direction (through strategy map) and in accordance with constant value creation and future growth and eminence.

Key Words

supply chain, leanness, Porter´s diamond of national competitiveness model, competitiveness, strategy map.