The Purpose of this Research is to Investigate the Impact of Investment in the Field of Information Technology on the Market Value of Petrochemical Companies. The Current Research is Descriptive-Correlational, and the Statistical Population Includes the Employees of Mahshahr Petrochemical Company, 180 of whom were Randomly Selected as a Sample. Collecting the Required data is through a Researcher-made Questionnaire based on a 5-Point Likert Scale, the Validity of which has been Confirmed by Professors and Experts, and Cronbach's Alpha Method has been Used to Measure the Reliability of the tool.Data Analysis in this Study was done Using Descriptive Statistics (Prevalence, Mean, Standard Deviation) and Inferential Statistics (Pearson Correlation Coefficient and Multivariate Regression) and Using SPSS Software. The Findings of the Research Indicate that Investment Activities in the Field of Information Technology (Investment in the Software Sector, Investment in the Hardware Sector, Investment in Improving Human Skills, Investment in Market Development and Providing new Products) It has a Positive and Significant Effect on the Market Value of Petrochemical Companies.