This book is a study into determination of factors that are influencing of export marketing among Iranian Small and Medium sized Enterprises (SEMs). The export decision model that was proposed in this research has been developed based on various literatures. A cross sectional field study and used a comprehensive structure questionnaire for data collection from 358 SMEs, which involved in exporting in Iran. SPSS version 19 and various data analysis technique have been used for data analysis and using Multiple Regression test has tested all research hypotheses. Results indicate that factors such as Technology Intensiveness, Products attractiveness, Management expertise, Government support and Market barriers are the essential factors that are enabling export marketing for Iranian SMEs. Overall, there are seven research hypotheses have been proposed and six hypotheses were accepted.