Rank;Global Rank;Institution;Country;Sector
1;17;Science System and Applications, Inc;USA;Companies
2;82;Saudi Arabian Oil Co, USA;USA;Companies
3;151;Chevron Corp;USA;Companies
4;165;Schlumberger, United States;USA;Companies
5;360;ExxonMobil, USA;USA;Companies
6;610;Ormat Technologies, United States;USA;Companies