A Dissertation Submitted to MUCC in Partial Fulfillment of the Requirement for the Award of the Degree of Master of Science in Human Resource Management (MScHRM) of Mzumbe University 2014The purpose of this study was to examine how effective is the occupational health and safety policy in the Oil Marketing Companies. Data collection, processing, analysis, and presentation of primary data were done by the use of observation, interview, questionnaires and face to face techniques. Secondary data was collected by consulting various literature and documents such as management reports, Acts and text books, manuals and internet. The collected data were analyzed using narration of respondent’s views, summarization of respondents’ responses and documents and graphical presentation and illustrations. The findings were represented in different forms such as tables, percentages and few narrative notes. The finding revealed that: The effectiveness of occupational health and safety policy is measured through systems, structures and policy implications. The finding shows that occupational Health and Safety Policy in the Oil marketing companies is weak despite the National and international move to improve issues of health and safety at works place. The level of Education of other staff and Senior Management commitment are the crucial factors to raise awareness on health and safety issues. In the view of findings the following recommendations were made; The Oil Companies Management should find out or put strategy to reduce the health hazards and manage health and safety risks. The bodies overseeing the health and safety policy implementation and adherence and those governing operation of Oil Marketing companies need to have more resources and commitment for better performance of the institutions they are monitoring. There is need of employing an individual effort or self-commitment health and safety awareness culture to assure all parties are on board in health and safety issues.