DONJON MARINE CO., LLC
DONJON MARINE CO., LLC is a federal contractor, registered under UEI GRXJZ31K6LN9 and CAGE code 9S939. It has been awarded $1,465,262,600 in federal contracts. Primary work spans Other Heavy and Civil Engineering Construction, Other Support Activities for Water Transportation, and Unknown NAICS. Top awarding agencies include Department Of Defense, Department Of Defense (dod), and Other agencies (2 agencies, <0.5% each).
Contact Information
Registration and classification details
Registration
UEI Code
GRXJZ31K6LN9CAGE Code
9S939Entity Structure
Corporate Entity (Not Tax Exempt)Established
N/ABusiness Classifications
NAICS Codes
Federal Contracting Overview
Award totals, agency breakdown, NAICS distribution, and geographic footprint.
AI Capability Profile
Donjon Marine Co., Inc. specializes in maritime support and heavy civil engineering services for federal defense and infrastructure missions. The company delivers critical waterborne operations including vessel towing, ship recovery, and emergency response for naval assets, with proven expertise in ...
Donjon Marine Co., Inc. specializes in maritime support and heavy civil engineering services for federal defense and infrastructure missions. The company delivers critical waterborne operations including vessel towing, ship recovery, and emergency response for naval assets, with proven expertise in complex marine salvage, dewatering, and harbor channel maintenance. Their technical capabilities encompass heavy-lift marine logistics, underwater recovery operations, and precision dredging in high-traffic coastal and harbor environments. Donjon Marine is uniquely positioned to execute time-sensitive, mission-critical tasks under challenging conditions, leveraging specialized vessels and experienced crews trained in military and civilian maritime protocols. Their work often involves coordination with the U.S. Army Corps of Engineers and Navy fleets to restore navigational integrity and recover distressed or decommissioned vessels. The contractor maintains a consistent and deep relationship with the Department of Defense, providing responsive marine support across naval bases and strategic waterways. Their assignments frequently involve emergency recovery of aircraft, ships, and equipment following mishaps or natural disasters, as well as routine support for fleet movements and harbor infrastructure readiness. This sustained engagement reflects a trusted role in operational continuity and force projection support. Donjon Marine’s primary focus lies in NAICS 488390—other support activities for water transportation—which encompasses towing, salvage, and marine logistics—and NAICS 237990, covering heavy civil engineering tasks such as dredging and channel deepening. These verticals place the company at the intersection of defense readiness and maritime infrastructure resilience, serving as a niche provider for mission-critical waterway operations. Headquartered in Hillside, New Jersey, Donjon Marine operates as a small business with a focused geographic footprint along the Northeastern U.S. maritime corridor. The company holds no formal government certifications but maintains a strong reputation for rapid mobilization and technical precision in high-stakes marine environments.
Key Performance Metrics
Awards Count
240
All time
Active
12
Currently performing
Completed
227
Past period of performance
Total Awards
All time
Award Analytics & Distribution
Subsidiaries
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