The Alliance Offshore Fleet

Offshore Supply Vessels

Leading provider of offshore supply vessels from 150 feet to over 180 feet, offering safe, reliable and versatile transportation of essential equipment and supplies in support of existing energy production, infrastructure maintenance and asset decommissioning in offshore Gulf of Mexico. Our vessels offer a range of capabilities, including Dynamic Positioning, methanol capabilities, and high volume liquid mud and dry bulk capacities.

Liftboats

Leading provider of modern liftboats with a range of vessels suitable for working both in shallow, coastal waters and in depths of up to 200 feet. Our liftboats are equipped with cranes capable of delivering cost-effective solutions for platform decommissioning and removal of smaller structures. Only vessel provider with affiliates that offer in-house services to perform inspection, maintenance and repair on offshore infrastructure; production enhancement; and asset decommissioning.

Crew Boats

Leading provider of traditional crew boats from 145 feet to over 170 feet, offering speed and versatility in support of existing energy production, infrastructure maintenance and asset decommissioning in offshore Gulf of Mexico. Our fleet offers both a cost-effective, comfortable, safe alternative to helicopter transportation, and cargo capabilities including deck cargo, fuel, potable water and production fluids.