X energy
X-energy is a prominent developer of advanced nuclear energy technologies, founded in 2009 and based in Rockville, Maryland. The company is committed to creating clean, safe, and affordable energy solutions to support a sustainable future. X-energy focuses on innovative nuclear technologies that aim to decarbonize industries and facilitate the transition to clean energy. The company specializes in high-temperature gas-cooled nuclear reactors and produces TRISO-X fuel. Its flagship product, the Xe-100, is a small modular reactor designed for scalability and safety, suitable for various applications such as steam and heat production, petroleum refining, and hydrogen production. X-energy also develops advanced nuclear fuel fabrication facilities, including a facility in Oak Ridge, Tennessee, which will produce over eight metric tons of advanced nuclear fuel annually. X-energy has established partnerships with global energy providers and is actively working to decarbonize heavy industries. The company has raised significant funding, including a recent $235 million Series C financing round, positioning it for future growth and development in the energy sector.
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Headcount trend
X energy went from 362 employees in Jul 2023 to 389 in Jun 2025. Jan to Jun 2025: 83 people joined, 16 left.
Headcount data through Jun 2025
Org structure
Headcount by department
Hiring now
See all jobsSalaries at X energy
All salaries3 salary profiles in the US
H-1B sponsorship
The department split adds up all the years listed above. FY2026 alone: 3 filings.
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X energy FAQ
How many employees does X energy have?
X energy has about 389 employees, up 8.1% over the 3 months to Jun 2025.
Does X energy sponsor H1B visas?
Yes. X energy filed 3 H1B (LCA) applications in FY2026, according to the latest U.S. Department of Labor disclosures. Most of them were for Engineering roles.
What is X energy's revenue per employee?
X energy makes about $6.43M in revenue per employee, based on $2.5B annual revenue and 389 employees.
How much does X energy pay?
6figr has 3 salary profiles for X energy in the US, with pay broken down by role, level, gender and ethnicity on the X energy salaries page. See X energy salaries
Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.