Dar Al Turbenat Est. was formed by its principal , Mohammed Ahmed Gadah in 1988 . Mr. Gadah worked as Marine Engineer for the Saudi Arabia Shipping Company where his responsibilities included managing all power generation activities on large ocean vessels. That meant servicing large diesel engine , managing fuel supplies , and spare parts . After he left the Saudi Arabian Shipping Company, he joined ABB Saudi Arabian as President , where he substantially grew their business of maintaining large power generation system and expanded his network to include large government utilities and many multinational engineering companies