Abstract: The aim of this research is to evaluate, classify and select marketing strategies to enter international markets in Takhte Jamshid petrochemical company. This research is applied in terms of goal and descriptive in terms of nature and survey in terms of data collection method. The statistical population includes senior and middle managers and senior experts of Takhte Jamshid petrochemical company pundits and experts active in this industry (300 persons). The sample size was estimated 100 persons based on Cochran formula who were selected by simple random sampling. Researcher-made-questionnaire, including of 40 questions was used for data collection. This questionnaire was formed to select marketing strategies to enter international markets by using the SWOT method. It includes four parts of strengths and weaknesses in the internal environment and opportunities and threats existing in the external environment of Takhte jamshid petrochemical company. Internal and external evaluation matrix by using expert choice software was used to analyze the data. Results showed acceptable strategies’ position of Takhte Jamshid Petrochemical Company in order to marketing to enter international markets is offensive strategies due to the placement in the first quarter of internal and external matrix. For this purpose, so, strategies are emphasized in current conditions of marketing development of this company and its strategies according to the intended structures tends to the side that to be able to reach in a worthy position by using its adopted strategies and policies.