Holtec International

Holtec International is a technology company founded in 1986 and based in Camden, New Jersey. It is a leader in nuclear energy technology, focusing on spent nuclear fuel storage, small modular reactors (SMRs), and nuclear plant decommissioning. The company has developed innovative solutions for used nuclear fuel, including both wet and dry storage technologies, and has become a dominant supplier in this field. Holtec is actively working on its SMR-300, a 300 MW pressurized water reactor designed for safe and efficient power generation. The company plans to deploy these reactors in the UK and the US, with ambitions to build a fleet by 2050. Additionally, Holtec provides comprehensive services for nuclear plant decommissioning and has expanded its manufacturing capabilities through strategic acquisitions. With a strong presence in the US and UK markets, Holtec serves a global customer base, including nuclear power plant operators and governments. The company is committed to innovation and sustainability, aiming to support a clean energy future through advanced nuclear technologies.

Information Technology & Services Jupiter, United States Founded 1986 ~809 employees Private · Debt Financing

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Employees
809
+0.6% in the 3 months to Jun 2025
Revenue / employee
$842K
Revenue ~$682M
Total funding
$1.5B
Last round Debt Financing, Sep 2024
12-month attrition
8.6%
Tech: 7.7%
H1B filings, FY2026
14
Sponsors visas

Salaries at Holtec International

All salaries

5 salary profiles in the US

Pay by level, gender and ethnicity · India salaries

H-1B sponsorship

H-1B Sponsorship Limited
H-1B Filings by Department
Engineering43
Consulting1
Operations1
Finance1

The department split adds up all the years listed above. FY2026 alone: 14 filings.

Funding

  • Sep 2024 · Debt Financing · $1.5B · U.S. Department of Energy

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Holtec International FAQ

How many employees does Holtec International have?

Holtec International has about 809 employees, up 0.6% over the 3 months to Jun 2025.

Does Holtec International sponsor H1B visas?

Yes. Holtec International filed 14 H1B (LCA) applications in FY2026, according to the latest U.S. Department of Labor disclosures. Most of them were for Engineering roles.

What is Holtec International's revenue per employee?

Holtec International makes about $842K in revenue per employee, based on $681.5M annual revenue and 809 employees.

How much does Holtec International pay?

6figr has 5 salary profiles for Holtec International in the US and 1 in India, with pay broken down by role, level, gender and ethnicity on the Holtec International salaries page. See Holtec International salaries in the US

How much funding has Holtec International raised?

Holtec International has raised $1.52B in total funding; its latest round was Debt Financing in Sep 2024.

Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.