The IWIS Members Panel comprised of 33 members as detailed below:
- Aker Kvaerner
- Baker Hughes – Baker Oil Tools
- Baker Hughes – ProductionQuest
- BP
- Cameron
- ChevronTexaco
- DG O’Brien
- Dril-Quip
- ENI
- Equinor
- FMC
- GE Sensing
- Hydro
- JP Kenny
- Luna Energy
- National Coupling
- ODI
- OTM Networks
- Petrobras
- PROMORE
- Roxar
- Schlumberger
- SEACON
- Shell
- Sicom
- Siemens
- Total
- Tronic
- Vetco
- Weatherford
- WellDynamics
- Woodside
- Wood Group