OSV

[Offshore Support Vessel] designed to meet support demands of deep-water drilling and subsea operations.

PSV

[Platform Supply Vessel] specially designed vessel for servicing drilling units, offering logistic support, and transporting supplies.

AHTS

[Anchor Handling Tug Supply Vessel] powerful and versatile vessel, built mainly to provide anchor handling for offshore rigs.

CSS

[Compact Semi-Submersible Vessel] specialized marine vessel used in specific offshore roles such as offshore drilling rigs, safety vessels and oil production platforms.