● Apache Corporation

● American Bureau of Shipping

● BHP Billiton

● American Petroleum Institute (API) 

● BP 

● Bureau Vertas

● BP-Rosneft JV (Elvary) 

● California State Lands Commission

● Cheniere LNG

● Lloyds 

● Chevron 

● Minerals Management Service (MMS) 

● Conoco-Phillips 

● Offshore Operators Committee (OOC)

● Devon Energy

● ERT 

● ABS Consulting 

● ExxonMobil 

● Advantica

● Helix (ERT)

● Aker-Kvaerner 

● Marathon 

● Alliance Engineering 

● Maritech

● Atkins

● Merit Energy

● Berger Abam

● National Gas Company of Trinidad 

● Halliburton 

● Noble Energy 

● Oceaneering  

● Petrobras 

● RCI

● Rooster

● Risk, Reliability and Safety Engineering (RRS) 

● Shell

● University of Texas

● Stone Energy

● OTRC

● Superior Energy (SPN) 

● Triangle Oil & Gas

● W & T