The Offshore Energy supply industry in the Netherlands belongs to the Top 5 of the world. Established half a century ago, the association IRO is an independent non-profit organisation that supports and promotes the interests of its 400 member companies.

The IRO members consist of a wide variety of both multinationals and SMEs. They represent the entire supply chain within the Offshore Energy Industry, with activities covering: Engineering & Consultancy, Construction & Fabrication, Plant & Equipment Supply, Contracting & Installation, Exploration & Production and Personnel & HSE, both for offshore upstream oil & gas and offshore renewables (wind and marine energy).