Company & Commercial Participants in IRSO meetings include:
- Admundsen Science
- Dr. Alexandre Forest
- Alion Science
- Mr. Daniel Rolland
- ASP Ship Management P/L
- Tim Asome
- Marcus Ekholm
- Briese Schiffahrts GmbH & Co KG
- Mr Klaus Bergmann
- Capt Klaus Kueper
- Mr Lothar Meinders
- Hawbolt Industries
- Jon Millet
- MANTEC
- Mr Timothy Gates
- National Ocean Technology Center
- Mr. Qinglong Meng
- Nippon Marine Enterprises, Ltd (NME)
- Mr Tetsuya Yokota
- Mr Takao Ohima
- Overseas Drilling Ltd. (ODL)
- Mr. Sjoerd Berends
- One Ocean Expeditions
- Aaron Lawton
- P&O Maritime
- Mr Alan Rowan
- Projekttraeger Juelich Forschungszentrum, Juelich GmbH
- Dr. Barbara Tanner
- Reederei F. Laeisz
- Mr Martin Boche
- Mr Hinrich Mohr
- Mr Johannes Rogenhagen
- Mr Michael Thurmann
- Mr Thomas Liebe
- Sevmorneftegeofizika
- G. Kravets
- Smit Marine South Africa(Pty) Ltd
- Mr Eric Walker
- TS Althouse Marine Consulting
- Thomas S Althouse
- Vik-Sandvik Design India
- Mr Ganesan JanakiRaman