About Donjon Marine
Donjon Marine is an Aerospace, Defense & Maritime company based in Hillside, USA founded in 1966, and was acquired by Tallvine Partners in September 2025. Donjon Marine is engaged in marine salvage and dredging services. It operates on a Professional Services and Managed Services model. Donjon Marine offers products and services including Marine Salvage, Dredging, Shipbuilding & Repair, and Recycling. Its focus areas include Industrials, Marine Services, Salvage and Dredging and Shipbuilding.
Company details
Donjon Marine is involved in providing marine salvage, dredging, and shipbuilding services. Operations are conducted across sectors like environmental remediation, marine transportation, and heavy lift transport. Solutions are offered for pollution control, land and marine demolition, and landfill site management. The company is based in the Northeastern United States with global operations.
- Headquarters Hillside, USA
- Stage Acquired
- SectorsAerospace, Defense & Maritime
- Email••••••••
- Phone•••• ••••
- Website donjon.com
- Acquired by Tallvine Partners (Sep 2025)
- Investors
- Acquired byTallvine Partners
(Sep 2025)
Products & Services of Donjon Marine
Donjon Marine offers a comprehensive portfolio of products and services, including Marine Salvage, Dredging, Shipbuilding & Repair, and Recycling.
Marine salvage operations are conducted for vessel recovery.
Dredging services are provided for environmental and conventional needs.
Shipbuilding and repair services are offered at Great Lakes.
Recycling services are managed for sustainable waste processing.
Investors in Donjon Marine
Donjon Marine has secured backing from 1 investor. Prominent investors backing the company include Tallvine Partners.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Independent firm specializing in value-add investments for middle-market infrastructure assets. | 2023 | tallvinepartners.com | - |
Investor details for Donjon Marine
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Timeline of Donjon Marine
2 dated milestones of Donjon Marine across 59 years, from founding to its latest funding, stage changes and deals.
- Founded Donjon Marine is founded.
- Exit Acquired by Tallvine Partners.
Web traffic of Donjon Marine
Websites that share an audience with Donjon Marine (donjon.com).
Websites whose visitors overlap most with Donjon Marine. Affinity shows how closely the audiences match.
| Website | Domain | Audience affinity | Monthly visits | Global rank | Profile |
|---|---|---|---|---|---|
| svitzer.com | 21% | 19.4K | #1,355,851 | View details |
Top companies in Ship Repair & Lifecycle Services
10 companies that operate in the same segment as Donjon Marine (Ship Repair & Lifecycle Services), ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
Marine components are manufactured, ships repaired, and management services provided. | 1927 | Gorinchem, South Holland, Netherlands | USD 29.3 M | – | – | |
Provider of ship building and repair services | 1886 | North Vancouver, British Columbia, Canada | – | – | 1,415 | |
Developer of petroleum logistics, offshore engineering, and EPC services | 1968 | Kuala Lumpur, Malaysia | – | USD 2.75 B | – | |
Provides maritime services for port calls, claims processing, and analytics to shipping companies. | 2001 | Dubai, Dubai, United Arab Emirates | – | USD 6.56 M | 451 | |
Products for boating, sailing, fishing, and paddling are supplied. | 1968 | Watsonville, California, United States | – | USD 703.37 M | 3,358 | |
Shipbuilding services for the defense industry are provided. | 1997 | Mumbai, Maharashtra, India | – | USD 25.87 M | 54 | |
Designer and builder of custom vessels for commercial and government clients | 1976 | Panama | – | – | – | |
Deck machinery, portable steel bridges, and marine pumps are manufactured. | 1934 | Kolkata, West Bengal, India | – | USD 746.29 M | 1,690 | |
Provider of ship engineering, operational capabilities, and design services | 1963 | Singapore, Singapore | – | USD 6.77 B | – | |
Marina management services are provided in the Chesapeake Bay area. | 2014 | Baltimore, Maryland, United States | USD 2.88 M | – | – |
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Frequently Asked Questions about Donjon Marine
Donjon Marine was founded in 1966.
Donjon Marine is involved in providing marine salvage, dredging, and shipbuilding services. Operations are conducted across sectors like environmental remediation, marine transportation, and heavy lift transport. Solutions are offered for pollution control, land and marine demolition, and landfill site management. The company is based in the Northeastern United States with global operations.
Donjon Marine offers Marine Salvage, Dredging, Shipbuilding & Repair, and Recycling.
Donjon Marine has 1 investor. Key investors include Tallvine Partners.
Yes. Donjon Marine was acquired by Tallvine Partners in September 2025.