Verified Nov 2026
Powertrain & Drivetrain
·
Pontiac, Michigan
·
Since 1955
Williams International designs, manufactures, and supports small gas turbine engines, with a focus on turbofan engines for general aviation, military, and industrial uses. The company is headquartered in Pontiac, Michigan, and was founded in 1955. It has an estimated 1,000 to 5,000 employees and an estimated annual revenue of $500 million to $1 billion, and it is privately held. Its industries include aerospace, military and defense, automotive, electric vehicles, renewable energy, and industrial equipment. In 2025 it announced plans for a $1 billion aviation engine plant in Florida.
Williams International at a glance
Revenue
$500M-1B
Est. band
Employees
1,000-5,000
Founded
1955
Headquarters
Pontiac, Michigan
Certifications
ISO 9001
Import activity
6440
Industries
Automotive
Electric Vehicles
Military & Defense
Renewable Energy
Industrial Equipment
Aerospace
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
6440
Named foreign suppliers
50
Top origins
China · Netherlands · South Korea · Italy
Shared foreign counterparties do not establish that these companies buy from Williams International.
What this tells a buyer
Recent reporting says Williams International announced plans in 2025 to build a $1 billion aviation engine plant in Florida, and a 2026 report says it plans to expand in Pontiac.
The company holds ISO 9001 certification and offers engine research and development, manufacturing, maintenance, and custom engine solutions.
The company is privately held, with an estimated revenue band of $500 million to $1 billion, and it has a second facility in Ogden, Utah.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
71 years in operation (founded 1955).
Holds ISO 9001 certification(s) per public sources.
Overview
Williams International designs, manufactures, and supports small gas turbine engines, with a focus on turbofan engines for general aviation, military, and industrial uses. The company is headquartered in Pontiac, Michigan, and was founded in 1955. It has an estimated 1,000 to 5,000 employees and an estimated annual revenue of $500 million to $1 billion, and it is privately held. Its industries include aerospace, military and defense, automotive, electric vehicles, renewable energy, and industrial equipment. In 2025 it announced plans for a $1 billion aviation engine plant in Florida.
At a glance
Attribute | Detail |
|---|---|
Founded | 1955 |
Headquarters | Pontiac, Michigan |
Employees | 1,000-5,000 |
Revenue | $500M-1B (estimated) |
Primary capability | Powertrain & Drivetrain |
Certifications | ISO 9001 |
What Williams International makes
The company holds ISO 9001 certification and offers engine research and development, manufacturing, maintenance, and custom engine solutions.
Certifications
Williams International is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 9001 — abouteureka.com
Trade and customs footprint
Recent reporting says Williams International announced plans in 2025 to build a $1 billion aviation engine plant in Florida, and a 2026 report says it plans to expand in Pontiac. US customs bill-of-lading records list 6440 inbound shipments across 50 foreign suppliers, with top origins including China · Netherlands · South Korea · Italy.
Latest developments
2026-06-22 — Aviation manufacturer Williams International to expand in Pontiac - Crain's Detroit Business (crainsdetroit.com)
2026-05-19 — One Okaloosa EDC wins state 'Deal of the Year' award for Williams International project (getthecoast.com)
2025-06-03 — Williams International to build $1B aviation engine plant in Florida | Manufacturing Dive (manufacturingdive.com)
2025-05-29 — Williams International Building Turbine Engine Factory in Florida | Aviation International News (ainonline.com)
2025-04-15 — We recently celebrated another major milestone – the groundbreaking of our newest expansion, Module 7, located in Ogden, Utah. In the coming years, Williams will invest and create over 300 new, high-quality, … | Williams International (linkedin.com)
2025-01-29 — Williams International Secures $41M Boost for Advanced Turbine Technology R&D | Contract Awards (envzone.com)
Facilities
Williams International is headquartered in Pontiac, Michigan. Public sources also reference these locations:
Florida — manufacturingdive.com
Crestview, Florida — manufacturingdive.com
Okaloosa County, Florida — manufacturingdive.com
Okaloosa County, FL — williams-int.com
Company details
The company is privately held, with an estimated revenue band of $500 million to $1 billion, and it has a second facility in Ogden, Utah. Williams International was founded in 1955, has an estimated 1,000-5,000 employees, and is headquartered in Pontiac, Michigan. On the LightSource stability read it is rated "Established & active": 71 years in operation (founded 1955). Holds ISO 9001 certification(s) per public sources.
Frequently asked questions
What does Williams International make?
Williams International designs, manufactures, and supports small gas turbine engines, with a focus on turbofan engines for general aviation, military, and industrial uses. The company is headquartered in Pontiac, Michigan, and was founded in 1955. It has an estimated 1,000 to 5,000 employees and an estimated annual revenue of $500 million to $1 billion, and it is privately held. Its industries include aerospace, military and defense, automotive, electric vehicles, renewable energy, and industrial equipment. In 2025 it announced plans for a $1 billion aviation engine plant in Florida.
Where is Williams International headquartered?
Williams International is headquartered in Pontiac, Michigan (2000 Centerpoint Pkwy, Pontiac, Michigan, 48341).
When was Williams International founded?
Williams International was founded in 1955.
How big is Williams International?
Williams International has an estimated 1,000-5,000 employees, with revenue in the $500M-1B range (estimated).
What certifications does Williams International hold?
Williams International lists ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
Does Williams International import from overseas suppliers?
US customs bill-of-lading records show 6440 inbound shipments for Williams International, with top origins including China · Netherlands · South Korea · Italy.
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Last verified Nov 2026. Is this your company? Request a correction.
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