Verified Nov 2026
Other
·
Marinette, Wisconsin
·
Since 1942
QI is a shipbuilding company headquartered in Marinette, Wisconsin, United States, founded in 1942. It is part of the Fincantieri Marine Group and employs roughly 200 to 500 people, with an estimated annual revenue band of $10 to $50 million. The company builds, repairs, and sustains naval and commercial vessels, and serves the military-defense, automotive, and construction industries.
QI at a glance
Revenue
$10-50M
Est. band
Employees
200-500
Founded
1942
Headquarters
Marinette, Wisconsin
Certifications
ISO 45001
Import activity
456
Industries
Automotive
Construction
Military & Defense
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
456
Named foreign suppliers
25
Top origins
China · South Korea · Singapore · Sri Lanka
Shared foreign counterparties do not establish that these companies buy from QI.
What this tells a buyer
The company has been in operation since 1942 and reports having designed and built more than 1,500 vessels.
QI holds ISO 45001 certification and is listed as ISO 9001:2015 certified, and its work includes frigates and littoral combat ships for the United States Navy.
QI is a privately held subsidiary within the Fincantieri Marine Group, and its reported customers include the United States Navy and Coast Guard.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
84 years in operation (founded 1942).
Holds ISO 45001 certification(s) per public sources.
Overview
QI is a shipbuilding company headquartered in Marinette, Wisconsin, United States, founded in 1942. It is part of the Fincantieri Marine Group and employs roughly 200 to 500 people, with an estimated annual revenue band of $10 to $50 million. The company builds, repairs, and sustains naval and commercial vessels, and serves the military-defense, automotive, and construction industries.
At a glance
Attribute | Detail |
|---|---|
Founded | 1942 |
Headquarters | Marinette, Wisconsin |
Employees | 200-500 |
Revenue | $10-50M (estimated) |
Certifications | ISO 45001 |
What QI makes
QI holds ISO 45001 certification and is listed as ISO 9001:2015 certified, and its work includes frigates and littoral combat ships for the United States Navy.
Certifications
QI is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 45001 — fincantieri.com
Trade and customs footprint
The company has been in operation since 1942 and reports having designed and built more than 1,500 vessels. US customs bill-of-lading records list 456 inbound shipments across 25 foreign suppliers, with top origins including China · South Korea · Singapore · Sri Lanka.
Company details
QI is a privately held subsidiary within the Fincantieri Marine Group, and its reported customers include the United States Navy and Coast Guard. QI was founded in 1942, has an estimated 200-500 employees, and is headquartered in Marinette, Wisconsin. On the LightSource stability read it is rated "Established & active": 84 years in operation (founded 1942). Holds ISO 45001 certification(s) per public sources.
Frequently asked questions
What does QI do?
QI is a shipbuilding company headquartered in Marinette, Wisconsin, United States, founded in 1942. It is part of the Fincantieri Marine Group and employs roughly 200 to 500 people, with an estimated annual revenue band of $10 to $50 million. The company builds, repairs, and sustains naval and commercial vessels, and serves the military-defense, automotive, and construction industries.
Where is QI headquartered?
QI is headquartered in Marinette, Wisconsin (1600 Ely St, Marinette, Wisconsin, 54143-2434).
When was QI founded?
QI was founded in 1942.
How big is QI?
QI has an estimated 200-500 employees, with revenue in the $10-50M range (estimated).
What certifications does QI hold?
QI lists ISO 45001 on its website. Confirm the certified scope for the specific plant producing your part.
Does QI import from overseas suppliers?
US customs bill-of-lading records show 456 inbound shipments for QI, with top origins including China · South Korea · Singapore · Sri Lanka.
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Last verified Nov 2026. Is this your company? Request a correction.
Location & contact
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