Overview

Signet Maritime Corporation is a marine transportation and logistics company headquartered in Houston, Texas, founded in 1976. It employs an estimated 200-500 people and reports estimated annual revenue of $50-100 million. The company offers towing, tugboat, offshore support, LNG vessel assist, and ship management services, and serves the automotive, construction, and industrial equipment industries. In August 2026, Signet Maritime refinanced $132 million in debt and received a federal small shipyard grant of nearly $388,000, according to local news outlets.

At a glance

What Signet Maritime Corporation makes

The company holds ISO 9001 certification and operates a fleet of around 35 vessels, including tugboats and barges, along with a shipyard in Pascagoula for construction and repair.

Products and capabilities described on the company's own site include LED, Aluminum, Steel (source: signetmaritime.com).

Certifications

Signet Maritime Corporation is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:

• ISO 9001 — signetmaritime.com

Latest developments

• 2026-08-26 — 𝗜𝗻𝘃𝗲𝘀𝘁𝗶𝗻𝗴 𝗶𝗻 𝗔𝗺𝗲𝗿𝗶𝗰𝗮𝗻 𝗦𝗵𝗶𝗽𝗯𝘂𝗶𝗹𝗱𝗶𝗻𝗴. 𝗥𝗮𝗶𝘀𝗶𝗻𝗴 𝘁𝗵𝗲 𝗦𝘁𝗮𝗻𝗱𝗮𝗿𝗱. | Signet Maritime Corporation (linkedin.com)

• 2026-08-15 — Signet Maritime refinances $132 million, receives nearly $388,000 federal grant | Tippah News (tippahnews.com)

• 2026-08-14 — Signet Maritime gets boost with newly announced federal funding (wlox.com)

• 2026-08-14 — Signet Maritime refinances debt, receives federal small shipyard grant funding - Magnolia Tribune (magnoliatribune.com)

• 2025-08-13 — Porter Hedges Represents Signet Maritime in $132MM Debt Financing from First Citizens Bank: Porter Hedges - Law Firm, Attorneys (porterhedges.com)

• 2025-08-12 — First Citizens Bank Arranges a $132 Million Debt Refinancing for Signet Maritime Corporation (firstcitizens.com)

Facilities

Signet Maritime Corporation is headquartered in Houston, Texas. Public sources also reference these locations:

• Houston, Texas — firstcitizens.com

Company details

Signet Maritime is privately held, with an estimated 200-500 employees, and its customer base spans the energy, shipping, and industrial sectors. Signet Maritime Corporation was founded in 1976, has an estimated 200-500 employees, and is headquartered in Houston, Texas. On the LightSource stability read it is rated "Established & active": 50 years in operation (founded 1976). Holds ISO 9001 certification(s) per public sources.

Frequently asked questions

What does Signet Maritime Corporation do?

Signet Maritime Corporation is a marine transportation and logistics company headquartered in Houston, Texas, founded in 1976. It employs an estimated 200-500 people and reports estimated annual revenue of $50-100 million. The company offers towing, tugboat, offshore support, LNG vessel assist, and ship management services, and serves the automotive, construction, and industrial equipment industries. In August 2026, Signet Maritime refinanced $132 million in debt and received a federal small shipyard grant of nearly $388,000, according to local news outlets.

Where is Signet Maritime Corporation headquartered?

Signet Maritime Corporation is headquartered in Houston, Texas (1300 Post Oak Blvd, Houston, Texas, 77056).

When was Signet Maritime Corporation founded?

Signet Maritime Corporation was founded in 1976.

How big is Signet Maritime Corporation?

Signet Maritime Corporation has an estimated 200-500 employees, with revenue in the $50-100M range (estimated).

What certifications does Signet Maritime Corporation hold?

Signet Maritime Corporation lists ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.

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Last verified Nov 2026. Is this your company? Request a correction.