Marine Hydraulics International, LLC

Marine Hydraulics International, LLC, doing business as MHI Ship Repair & Services, operates as a prime contractor providing maintenance, repair, modernization, and sustainment services for U.S. Navy surface combatant and amphibious vessels homeported on the East Coast, with a foreign-owned corporate structure and a subsidiary relationship to MHI Holdings, LLC. The vendor competes in full-and-open federal procurement without set-aside designations, reflecting its competitive standing in the naval shipyard services market. Over the past five years, MHI has received 49 prime contract awards valued at approximately $6.15 billion in combined potential value, with $2.33 billion obligated across the portfolio as of recent reporting.

MHI's revenue concentration is singularly focused on the Department of the Navy. Naval Sea Systems Command dominates the customer base, accounting for 176 awards valued at $5.76 billion in combined potential value—representing 94% of the total portfolio dollars. Secondary Navy customers include Military Sealift Command (58 awards, $286.3 million) and United States Pacific Fleet Forces (4 awards, $102.2 million); the remaining 11 customers account for negligible dollar volume. This concentration around NAVSEA surface combatant and amphibious ship maintenance work is reinforced by the vendor's capability portfolio: 282 awards fall under NAICS 511811 (Ship Building and Repairing), and 525 fall under PSC code for non-nuclear ship repair (East Coast).

MHI holds two significant indefinite delivery contracts with NAVSEA awarded January 4, 2022, through January 3, 2027: a $639.8 million IDC for complex and non-complex maintenance on surface combatant ships and a $337.6 million IDC for amphibious class ship maintenance, both under the master vehicle "Complex and Non-Complex Maintenance on Surface Combatant and Amphibious Class Ships - Norfolk." These two IDCs anchor the vendor's business model; together, they represent the majority of MHI's task-order volume and provide the contracting vehicle for most recent work. Representative recent prime awards include a $25.3 million delivery order (May 2026) for USS Mitscher (DDG-57) FY26 Integrated Ship Readiness Assessment maintenance (ultimate completion February 2028), a $104.3 million definitive contract (April 2025) for USS New York (LPD-21) FY25 Selected Restricted Availability at Norfolk, a $183.4 million definitive contract (February 2024) for USS Mesa Verde (LPD-19) FY24 Selected Restricted Availability at Portsmouth, and a $111.1 million definitive contract (November 2021) for TYCOM base-item maintenance across multiple surface combatants and amphibious vessels. Delivery orders under the two primary IDCs range from under $250,000 (emergency maintenance and continuous availability work items) to roughly $34 million (selected restricted availability scope).

MHI's activity trajectory shows stability with modest year-to-year variation: 16 awards in 2022, 11 in 2023, 10 in 2024, and 11 in 2025, with 1 award visible as of mid-2026. The recompete window presents modest near-term exposure: only 2 awards (combined potential value $129.6 million) face ultimate completion within the next twenty-four months, indicating MHI's primary IDC vehicles and major contract vehicles remain secure through their 2027 expiration.

MHI maintains a minimal subcontract footprint, representing only 2% of recent awards by count. Visible sub-work has routed through Metro Machine Corp. (USS Ford and USS Eisenhower carrier availabilities), Crowley Government Services, Inc. (government-owned maritime prepositioning force vessel layberth and maintenance support), and East Coast Repair & Fabrication, LLC (USS McFaul and USS Oscar Austin repair work). The subcontract work is largely specialty repair execution and vessel layberth operations rather than strategic teaming; MHI's primary model relies on direct NAVSEA task orders to its own facilities in Norfolk and Fleet, Virginia, supplemented by a network of specialty vendors for welding, electrical systems, environmental services, scaffolding, and material procurement.

MHI is headquartered at 543 E Indian River Road, Norfolk, Virginia, with operational facilities in Fleet, Virginia. The corporate structure identifies MHI Holdings, LLC as the parent entity; the source characterizes MHI Ship Repair & Services as a foreign-owned, for-profit subsidiary, though the geographic footprint and NAVSEA contracting relationships indicate operational control remains concentrated within East Coast naval shipyard infrastructure. The vendor's federal footprint is strictly Navy maritime maintenance and repair; no civilian agencies, Army, Air Force, or non-ship-maintenance Defense Department work appears in recent awards.