Rank;Global Rank;Institution;Country;Sector 1;2053;Saudi Arabian Oil Company;SAU;Companies 2;5257;Aselsan;TUR;Companies 3;6552;Petroleum Development Oman L.L.C.;OMN;Companies 4;7320;Nuclear Materials Authority;EGY;Companies 5;7473;Abu Dhabi National Oil Co *;ARE;Companies