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.
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Headcount trend
Holtec International went from 599 employees in Jul 2023 to 809 in Jun 2025. Jan to Jun 2025: 59 people joined, 24 left.
Headcount data through Jun 2025
Org structure
Headcount by department
Hiring now
See all jobsSalaries at Holtec International
All salaries5 salary profiles in the US
H-1B sponsorship
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.