French private equity firm to acquire Vigor Marine Group

Vigor Marine Group operates facilities in Seattle, Vanouver, Wash.; Norfolk, Va.; San Diego; and Portland, Ore. (pictured). Eric Haun photo.

As part of our Career Connect Washington Maritime Sector ongoing work, we actively track, document, and inform about emerging technologies and trends. French private equity firm Antin Infrastructure Partners, Paris, has agreed to acquire shipbuilding and repair company Vigor Marine Group, Portland, Ore., from an affiliate of Lone Star Funds, Dallas.

The transaction is subject to customary regulatory approvals and is expected to close in 2026. Financial terms were not disclosed.

Vigor Marine Group operates shipyard and fabrication facilities in Seattle; Portland; Vancouver, Wash.; San Diego; and Norfolk, Va. The company has six drydocks and 29 berths serving government and commercial customers. It generated nearly $1 billion in revenue in 2024 and employs about 2,700 workers.

Antin said in a press release that it will partner with Vigor to expand capacity across the company’s five U.S. locations, accelerate innovation in the maritime sector, and grow the company's workforce. Antin said its investment will focus on aligning capacity with the growing importance of U.S. Pacific seaports, upgrading infrastructure and technology across Vigor’s facilities, and expanding workforce training programs.

Go to this link to read the full article published by WorkBoat https://www.workboat.com/french-private-equity-firm-to-acquire-vigor-marine-group