Ụgwọ nke ụlọ ọrụ CHINA STATE SHIPBUILDING CORP
OMV
Larsen & Toubro
National Iranian Steel Company (NISCO)
Ụgwọ nke ụlọ ọrụ Reliance Industries Limited
Ụlọ ọrụ Nigerian National Petroleum Corporation (NNPC)
Van Leeuwen Pipe na Tube Group
Ụgwọ nke ụlọ ọrụ Stemcor Global Holdings Limited
Samsung Electronics
Mkpokọta
Ụgwọ nke ụlọ ọrụ Indian Oil Corporation Limited
Ụgwọ nke ụlọ ọrụ China Petrochemical Corporation (Sinopec Group)
Siemens
Thyssenkrupp
Otu Tata
Ọdụ ụgbọ elu Kuwait (KWI)
