Background and Objectives: Musculoskeletal pain is an important subject in the world and it is a one of the greatest problem of occupational health in developing countries. Also, the musculoskeletal pain is common in offices due to prolonged awkward postures . On the other hand, this disorder can reduce the employees' job satisfaction and productivity of organization. The aim of this study is to determine the prevalence of musculoskeletal disorders and job satisfaction in a gas company.

  Material and Methods: In this cross sectional study, all administrative staffs of a gas company (142 Persons) were participated. Data was collected based on Nordic musculoskeletal questionnaire and the Minnesota Job Satisfaction Questionnaire. Statistical Analysis of collected data was performed using SPSS 13 by using chi-square test.

  Results: The highest complaints of musculoskeletal pains during the past year were respectively, 52 percent for neck, 35.2 percent for low back, 33.8 percent for upper back. 40.4 percent of employees have expressed a high level of job satisfaction. However, statistical tests showed respectively a significant relation between teaching about proper posture and job satisfaction (p_value= 0.023), and also shoulder pain and job satisfaction (p_value=0.02).

  Conclusion: Regarding to high incidence of musculoskeletal disorders and expressed 50.4 percent average job satisfaction by employees, it seems intervention to ergonomically improve workstations is necessary.