ThyssenKrupp: http://www.thyssenkrupp.com/
ThyssenKrupp Industrial Solutions: http://www.thyssenkrupp-industrial-solutions.com/
Jordan Energy and Mining Limited: http://www.jeml.co.uk/
Karak International Oil: http://www.kio.jo/en/
Fushun Mining Group: http://english.fkjt.com.cn
Center for Oil Shale Technology and Research: http://www.costar-mines.org/