Pakistan State Oil (PSO) is Pakistan's largest oil marketing company. It was formed in 1976 through the merger of two state-owned oil companies. PSO directly impacts the lives of 2.5 million people daily by supplying petroleum products. Beyond its core business, PSO is committed to corporate social responsibility through initiatives in areas like education, the environment, and community development. PSO aims to be an innovative and dynamic energy company through excellence, cohesiveness, respect, integrity, and corporate responsibility. Its mission is to operate with a highly skilled workforce, low costs, sustained earnings growth, and ethical practices.