Employee organisational commitment is the strength of the organisation to achieve organisational goals. The achievement is the mission of the organisation and employee satisfaction is important in the organisation. Employee satisfaction in the work and their commitment are interdependent. The present study focuses on finding the relationship between job satisfaction and organisational commitment among employees of IT companies in Chennai. The data was collected from 110 respondents working in the IT sector. The data collection was done by sending the questionnaire to the employees working in the IT sector in Chennai City. The data included information on employee demographic details like age, marital status, education and experience. The data is analysed by descriptive statistics and chi-square test. The results indicate that there is a positive relationship between employee satisfaction and commitment to the organization.