ZITON A/S remains in the lead! With 128 jack-up interventions during the first half of 2026, ZITON once again secured its position as the most active vessel company in the O&M jack-up market — ahead of MPI Offshore (Van Oord).
Market Snapshot – H1 2026
▪ 257 jack-up interventions marking a 23% decrease compared to last years record.
▪ Seven vessel companies were active in the O&M jack-up segment.
▪ The four O&M-focused companies accounted for a dominant 86% of the market.
▪ ZITON A/S alone held a 50% market share, operating six dedicated O&M vessels.
Top Operators
▪ MPI Offshore (Van Oord): 57 interventions across two vessels.
▪ Gulf Marine Services PLC: 26 interventions, all carried out by GMS Endeavour for Ørsted.
Note: This analysis excludes activities in China.



