Mare Island Dry Dock LLC

Mare Island Dry Dock LLC, a for-profit limited liability company headquartered in Vallejo, California, operates an 18-acre shipyard specializing in ship repair, drydocking, maintenance, and service life extension programs for federal vessels as a prime contractor competing on a fully open, unrestricted basis with no small business set-asides. The vendor has received 160 prime awards since 2014, totaling $1.54 billion in combined potential value, with $560 million obligated to date.

The company's capability portfolio centers on comprehensive maritime services: drydocking and hull preservation, propulsion and mechanical systems overhaul, deck preservation, pressure vessel inspection, underwater hull coatings, and complex multi-year service life extension programs for icebreakers and naval support ships. Representative work includes a $119.6 million single-award indefinite delivery contract with the U.S. Coast Guard for the USCGC Polar Star Service Life Extension Program running through January 2026 (multiple delivery orders, including a $12.35 million FY24 task order incorporating all work items and award fees), a $49.6 million Coast Guard indefinite delivery contract for drydocking and repair services on WMSL-class cutters at Base Alameda through April 2026 (including a $18.22 million FY24 delivery order for USCGC Waesche dry dock repairs and a $15.98 million order for USCGC Bertholf), a $57.86 million Military Sealift Command definitive contract for USS Frank Cable (AS-40) regular overhaul and drydock (completed September 2023), and a $6.61 million NOAA firm fixed-price contract for FY25 drydock repairs to NOAA Ship Bell M. Shimada.

Customer concentration is heavily weighted to maritime agencies. The top five funding agencies account for 95% of awards: the Department of Homeland Security U.S. Coast Guard leads by award count (86 awards, $513.6 million combined potential value) and by volume, followed by the National Oceanic and Atmospheric Administration (28 awards, $90.2 million), the Department of the Navy Military Sealift Command (17 awards, $260.3 million), the Department of Transportation Maritime Administration (16 awards, $10.6 million), and the Department of the Army Materiel Command TACOM Life Cycle Management Command (5 awards, $646.3 million). The split between award count and potential value reflects TACOM's fewer but substantially larger awards; by dollars, TACOM ranks first, anchored by multi-hundred-million-dollar vehicle awards, while the Coast Guard dominates by frequency of task orders.

Mare Island Dry Dock holds or has held five primary indefinite delivery vehicles. The largest active vehicle is Indefinite Delivery Contract 70Z02321DAPS00200 with the Coast Guard (39 task orders, $93.4 million combined potential value), which funds recurring dry dock and repair work on Coast Guard cutters and icebreakers. A Blanket Purchase Agreement with the Department of Transportation Maritime Administration (DTMA91A140002) carries 11 task orders valued at $3.6 million for San Francisco Bay area vessel towing and drydocking services. Indefinite Delivery Contract 70Z08522DLREP0013, also with the Coast Guard, has issued 3 task orders totaling $42.2 million. Additional vehicles with NOAA and Maritime Administration round out the portfolio.

Activity has grown sharply in recent years—from 8 awards in 2022 to 25 in 2025—with a single award appearing in early 2026. No explicit recompete cliff data is provided in the source; however, multiple task orders under the Polar Star SLEP and Alameda cutter contracts carry completion dates in late 2025 and early 2026, representing material renewal opportunity. The vendor's award portfolio is 100% prime; it reports zero subcontract awards in the source data, indicating a vertically integrated delivery model at the prime level.

On federal service contracts captured in the Service Contract Inventory (SCI) above the $150,000 reporting threshold, Mare Island Dry Dock invoiced $160.8 million across FY2022 and FY2024 (FY2023 shows zero SCI activity, likely due to reporting lags or contract closure timing). SCI workforce deployment ran 90.4 FTEs in FY2022 and 79.9 FTEs in FY2024 across 34 reportable prime contracts. Government-paid hourly rates on SCI work span from a 10th percentile of $224.18/hr to a median of $487.12/hr and a 90th percentile of $803.09/hr, reflecting a mix of skilled shipyard labor and engineering oversight. Across SCI-reportable prime contracts, subcontractors performed approximately 5% of total contractor hours, with 12 named subcontractors supporting specialized functions such as non-destructive testing (Integrity Inspections LLC), davit and deck equipment repair (Palfinger Marine USA LLC, Tork Systems Inc.), and tank cleaning and preservation services. SCI figures represent a strict subset of the vendor's federal revenue and exclude goods, classified work, and non-federal sales.

The vendor's geographic footprint centers on Vallejo, California (primary shipyard and administrative headquarters), with secondary performance locations at Base Alameda, California (Coast Guard cutter repairs) and support to West Coast naval facilities. Work is performed on a firm fixed-price basis across nearly all awards, reflecting the predictable scope of drydocking and repair operations. The contractor's competitive posture is fully open—no awards carry small business set-asides—positioning Mare Island Dry Dock as a general competition player in federal maritime services rather than a set-aside specialist.