Al-Zamil Brothers founded "ZAMIL Offshore Services" in 1977 as a 100% Saudi Limited Liability Company working in diversified marine business fields. Now, and after 30 years in the offshore and marine business, Zamil Offshore Services became the largest Offshore Marine services company in the Middle East. Currently its scope of services covers; offshore shipbuilding, ship & rig repair, offshore marine services, ship chandelling, ship chartering, Offshore Hook-up projects, and seaports operation and management. From its inception Mr. Zamil Al-Zamil was appointed president of the company.

Upon the establishment of Zamil Offshore Services, it started in the business by acquiring new and used offshore vessels, chartered them to Saudi ARAMCO, operated them and succeeded in making the necessary maintenance, repair, and conversion for its entire fleet. Gradually it succeeded in expanding their fleet in 30 years to 55 vessels, and now most of the vessels are in long term charter agreement with Saudi Aramco.

The company has been change to closed stock holding company, Mr. Zamil Al Zamil is the chairman and Mr. Sufyan Al Zamil is the President