MAERSK OIL – NEDERLAND

MAERSK OIL – QATAR

MARATHON PETROLEUM COMPANY LP

MC DERMOTT INTERNATIONAL, INC.

NEM-GROUP

STATOIL / EQUINOR

NATIONAL PETROLEUM CONSTRUCTION COMPANY (NPCC)

OFFSHORE ENGINEERING SERVICES (ONGC)

OXY QATAR

PDVSA

PETROFAC INTERNATIONAL

PETROLEUM DEVELOPMENT OMAN L.L.C. (PDO) 

PHILLIPS

QATAR PETROLEUM

REKIND – PT REKAYASA INDUSTRI

REPSOL

RELIANCE INDUSTRIES LIMITED

ROSETTI MARINO SPA

SABIC

SAIPEM – ENI

SAMSUNG

SHELL / TAMAP / PFF

TAKREER

TECHNIP FMC

TECNIMONT

TOYO ENGINEERING INDIA LIMITED

TOTAL

WORLEY PARSONS

ZADCO