Verified Nov 2026
Other
·
Jupiter, Florida
·
Since 1986
Holtec International is a nuclear energy and engineering company founded in 1986 and headquartered in Jupiter, Florida, United States. It employs roughly 1,000 to 5,000 people and has an estimated annual revenue of $500 million to $1 billion. The company is privately held and serves the nuclear, renewable energy, industrial equipment, construction, and automotive sectors. Among its recent activities, Holtec announced in May 2026 that its SMR-300 reactor was selected for the Green River Advanced Nuclear Project in Utah.
Holtec International at a glance
Revenue
$500M-1B
Est. band
Employees
1,000-5,000
Founded
1986
Headquarters
Jupiter, Florida
Certifications
ISO 9001
Import activity
266
Industries
Automotive
Electric Vehicles
Construction
Renewable Energy
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
266
Named foreign suppliers
50
Top origins
Italy · South Korea · Sweden · Oman
Shared foreign counterparties do not establish that these companies buy from Holtec International.
What this tells a buyer
Holtec's most recent reported development is an August 2026 agreement with Entergy and Hyundai E&C to evaluate potential SMR-300 projects in the Gulf South region.
Holtec holds ISO 9001 certification and offers products including the SMR-300 small modular reactor, dry spent fuel storage and transport equipment, and heat transfer equipment.
Holtec operates with facilities in New Jersey and Pennsylvania and reports a presence in multiple countries, with recent SMR-300 agreements announced in Rwanda and Britain.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
40 years in operation (founded 1986).
Holds ISO 9001 certification(s) per public sources.
Overview
Holtec International is a nuclear energy and engineering company founded in 1986 and headquartered in Jupiter, Florida, United States. It employs roughly 1,000 to 5,000 people and has an estimated annual revenue of $500 million to $1 billion. The company is privately held and serves the nuclear, renewable energy, industrial equipment, construction, and automotive sectors. Among its recent activities, Holtec announced in May 2026 that its SMR-300 reactor was selected for the Green River Advanced Nuclear Project in Utah.
At a glance
Attribute | Detail |
|---|---|
Founded | 1986 |
Headquarters | Jupiter, Florida |
Employees | 1,000-5,000 |
Revenue | $500M-1B (estimated) |
Certifications | ISO 9001 |
What Holtec International makes
Holtec holds ISO 9001 certification and offers products including the SMR-300 small modular reactor, dry spent fuel storage and transport equipment, and heat transfer equipment.
Products and capabilities described on the company's own site include LED, Machining, Aluminum, Steel, Welding (source: holtecinternational.com).
Certifications
Holtec International is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 9001 — holtecinternational.com
Trade and customs footprint
Holtec's most recent reported development is an August 2026 agreement with Entergy and Hyundai E&C to evaluate potential SMR-300 projects in the Gulf South region. US customs bill-of-lading records list 266 inbound shipments across 50 foreign suppliers, with top origins including Italy · South Korea · Sweden · Oman.
Latest developments
2026-08-12 — Holtec’s Air-Cooled Condenser Technology (HI-KOOL and HI-MAX) is Poised to Solve the Growing Water Scarcity Challenge Faced by Power Plants Across the Globe - Holtec International (holtecinternational.com)
2026-08-04 — Holtec, Entergy and Hyundai E&C Sign MOA to Evaluate Potential SMR-300 Projects in Gulf South Region - Holtec International (holtecinternational.com)
2026-06-23 — Holtec and EDF Energy Submit Plans for New Nuclear Projects in Britain - Holtec International (holtecinternational.com)
2026-05-28 — Holtec International’s SMR-300 Chosen to Power the Green River Advanced Nuclear Project in Utah - Holtec International (holtecinternational.com)
2026-05-19 — Holtec International and Republic of Rwanda Sign a Comprehensive Development Agreement to Deploy SMR-300 Reactors in the Country - Holtec International (holtecinternational.com)
2026-02-16 — India’s NPCIL Receives State-of-the-Art Used Fuel Management Components Co-Engineered and Manufactured by Holtec Asia and Holtec International - Holtec International (holtecinternational.com)
Facilities
Holtec International is headquartered in Jupiter, Florida. Public sources also reference these locations:
New Jersey, Pennsylvania — holtecinternational.com
Company details
Holtec operates with facilities in New Jersey and Pennsylvania and reports a presence in multiple countries, with recent SMR-300 agreements announced in Rwanda and Britain. Holtec International was founded in 1986, has an estimated 1,000-5,000 employees, and is headquartered in Jupiter, Florida. On the LightSource stability read it is rated "Established & active": 40 years in operation (founded 1986). Holds ISO 9001 certification(s) per public sources.
Frequently asked questions
What does Holtec International do?
Holtec International is a nuclear energy and engineering company founded in 1986 and headquartered in Jupiter, Florida, United States. It employs roughly 1,000 to 5,000 people and has an estimated annual revenue of $500 million to $1 billion. The company is privately held and serves the nuclear, renewable energy, industrial equipment, construction, and automotive sectors. Among its recent activities, Holtec announced in May 2026 that its SMR-300 reactor was selected for the Green River Advanced Nuclear Project in Utah.
Where is Holtec International headquartered?
Holtec International is headquartered in Jupiter, Florida (1001 U.S. 1, Jupiter, Florida, 33477).
When was Holtec International founded?
Holtec International was founded in 1986.
How big is Holtec International?
Holtec International has an estimated 1,000-5,000 employees, with revenue in the $500M-1B range (estimated).
What certifications does Holtec International hold?
Holtec International lists ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
Does Holtec International import from overseas suppliers?
US customs bill-of-lading records show 266 inbound shipments for Holtec International, with top origins including Italy · South Korea · Sweden · Oman.
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Last verified Nov 2026. Is this your company? Request a correction.
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