Insights

Sustainability Commitment Overseas Shipholding Group actively advances environmental sustainability by developing liquefied CO2 carrier vessels, supported by recent $3 million government grants, indicating strong opportunities for eco-friendly technology suppliers and environmental compliance services.

Technological Innovation The company's focus on developing specialized vessels for transporting liquefied carbon dioxide suggests a demand for advanced maritime engineering, sustainable fuel solutions, and innovative vessel construction technologies.

Strategic Acquisitions Having been acquired by Saltchuk Group for nearly $950 million, OSG’s integration with a larger logistics network opens potential for supply chain partners, fleet management solutions, and consolidated service offerings.

Growth in Revenue With an annual revenue ranging between $500 million and $1 billion and ongoing fleet investments, there are significant opportunities for maritime technology providers, maintenance services, and cargo handling solutions to support expansion and efficiency.

Focus on Digital Security The use of advanced cybersecurity measures such as X-XSS-Protection and cloud services indicates an openness to cybersecurity partnerships, data management solutions, and digital infrastructure enhancements for maritime operations.

Similar companies to Overseas Shipholding Group

Overseas Shipholding Group Tech Stack

Overseas Shipholding Group uses 8 technology products and services including CIM Technologies, Fastly, Google Fonts API, and more. Explore Overseas Shipholding Group's tech stack below.

  • CIM Technologies
    Cad & Graphics
  • Fastly
    Content Delivery Network
  • Google Fonts API
    Font Scripts
  • yepnope.js
    Javascript Frameworks
  • Windows Server
    Operating Systems
  • X-XSS-Protection
    Security
  • Bootstrap
    UI Frameworks
  • Microsoft ASP.NET
    Web Frameworks

Media & News

Overseas Shipholding Group's Email Address Formats

Overseas Shipholding Group uses at least 2 format(s):
Overseas Shipholding Group Email FormatsExamplePercentage
FLast@osg.comJDoe@osg.com
82%
FirstL@osg.comJohnD@osg.com
13%
FirstLast@osg.comJohnDoe@osg.com
4%
First.Last@osg.comJohn.Doe@osg.com
1%
FLast@osmose.comJDoe@osmose.com
90%
First.Last@osmose.comJohn.Doe@osmose.com
4%
FirstLast@osmose.comJohnDoe@osmose.com
2%
LFirst@osmose.comDJohn@osmose.com
1%
FiLast@osmose.comJoDoe@osmose.com
1%
LastFir@osmose.comDoeJoh@osmose.com
1%
Last_First@osmose.comDoe_John@osmose.com
1%

Frequently Asked Questions

Where is Overseas Shipholding Group's headquarters located?

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Overseas Shipholding Group's main headquarters is located at 302 Knights Run Ave, Suite 1200 Tampa, Florida 33602, US. The company has employees across 4 continents, including North AmericaAsiaEurope.

What is Overseas Shipholding Group's phone number?

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You can contact Overseas Shipholding Group's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Overseas Shipholding Group's stock symbol?

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Overseas Shipholding Group is a publicly traded company; the company's stock symbol is OSG.

What is Overseas Shipholding Group's official website and social media links?

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Overseas Shipholding Group's official website is osg.com and has social profiles on LinkedInCrunchbase.

What is Overseas Shipholding Group's NAICS code?

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Overseas Shipholding Group's NAICS code is 483 - Water Transportation.

How many employees does Overseas Shipholding Group have currently?

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As of October 2025, Overseas Shipholding Group has approximately 565 employees across 4 continents, including North AmericaAsiaEurope. Key team members include Chief Officer: J. M.Chief Officer: D. M.Chief Officer: B. B.. Explore Overseas Shipholding Group's employee directory with LeadIQ.

What industry does Overseas Shipholding Group belong to?

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Overseas Shipholding Group operates in the Maritime Transportation industry.

What technology does Overseas Shipholding Group use?

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Overseas Shipholding Group's tech stack includes CIM TechnologiesFastlyGoogle Fonts APIyepnope.jsWindows ServerX-XSS-ProtectionBootstrapMicrosoft ASP.NET.

What is Overseas Shipholding Group's email format?

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Overseas Shipholding Group's email format typically follows the pattern of FLast@osg.com. Find more Overseas Shipholding Group email formats with LeadIQ.

How much funding has Overseas Shipholding Group raised to date?

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As of October 2025, Overseas Shipholding Group has raised $3M in funding. The last funding round occurred on Apr 22, 2024 for $3M.

When was Overseas Shipholding Group founded?

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Overseas Shipholding Group was founded in 1948.

Overseas Shipholding Group

Maritime TransportationUnited States501-1000 Employees

Overseas Shipholding Group, Inc. is a leading provider of energy transportation services delivering crude oil and petroleum products throughout the United States and the world. Founded in 1948, OSG has operated through multiple shipping cycles, adjusting our business as needed to compete and succeed. Our well-maintained fleet, and commitment to high quality, incident-free service, has positioned us as a preferred energy transportation provider to major oil companies, refiners and traders.

Section iconCompany Overview

Headquarters
302 Knights Run Ave, Suite 1200 Tampa, Florida 33602, US
Phone number
Website
osg.com
Stock Symbol
OSG
NAICS Code
483 - Water Transportation
Founded
1948
Employees
501-1000

Section iconFunding & Financials

  • $3M

    Overseas Shipholding Group has raised a total of $3M of funding over 3 rounds. Their latest funding round was raised on Apr 22, 2024 in the amount of $3M.

  • $500M$1B

    Overseas Shipholding Group's revenue is estimated to be in the range of $500M$1B

Section iconFunding & Financials

  • $3M

    Overseas Shipholding Group has raised a total of $3M of funding over 3 rounds. Their latest funding round was raised on Apr 22, 2024 in the amount of $3M.

  • $500M$1B

    Overseas Shipholding Group's revenue is estimated to be in the range of $500M$1B

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