Commercial Diving Support Services

Helix Alliance is a leading provider of air, mixed gas and saturation diving and heavy lifting services designed to support the full lifecycle of offshore and coastal energy infrastructure, including installation, inspection, maintenance, and repairs; pipeline plug and abandonment; removal, salvage and recycling of pipelines, facilities, and structures; artificial reefing; and subsea site clearance.

Diving Support Vessels

Helix Alliance has a fleet of four live and four-point air and saturation diving vessels to support operations in the Gulf of Mexico in depths of up to 1,000 feet.

In addition, we offer a fleet of modern liftboats suitable for supporting diving operations in shallow coastal waters and depths of up to 200 feet.

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Heavy Lift Derrick Barge

Our heavy lift derrick barge delivers comprehensive, engineered heavy lifting solutions, including construction for platform rigs, helidecks and offshore wind; installation of jackets, piles, decks and facilities; and the removal, salvage, and recycling of offshore oil and gas facilities, platforms, and structures.

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Subsea Construction Services

Helix Alliance provides cost-effective subsea construction solutions for the full lifecycle of our clients' assets and infrastructure, including engineered solutions for decommissioning, salvaging, and recycling subsea energy infrastructure.

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