Spellman High Voltage Electronics
Spellman High Voltage Electronics Corporation is a prominent manufacturer of high voltage power supplies, X-ray generators, and Monoblock® X-Ray sources. Established in 1947 and based in Hauppauge, New York, Spellman is a family-owned business known for its precision high voltage power conversion solutions. These products serve various industries, including medical, industrial, semiconductor, security, analytical, laboratory, and under-sea cable power-feed applications. The company focuses on partnering with advanced equipment manufacturers to deliver high-quality, custom-designed power supplies. Spellman specializes in designing and manufacturing tailored high voltage solutions, ensuring they meet specific customer needs. With facilities in the US, UK, Mexico, China, and Japan, Spellman provides extensive after-sales support to its global clientele. The company is recognized for its contributions to significant technological advancements, including medical imaging and telecommunications.
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Headcount trend
Spellman High Voltage Electronics went from 381 employees in Jul 2023 to 433 in Jun 2025. Jan to Jun 2025: 24 people joined, 9 left.
Headcount data through Jun 2025
Org structure
Headcount by department
Hiring now
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All salaries1 salary profiles in the US
H-1B sponsorship
The department split adds up all the years listed above. FY2026 alone: 1 filings.
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Spellman High Voltage Electronics FAQ
How many employees does Spellman High Voltage Electronics have?
Spellman High Voltage Electronics has about 433 employees, up 1.9% over the 3 months to Jun 2025.
Does Spellman High Voltage Electronics sponsor H1B visas?
Yes. Spellman High Voltage Electronics filed 1 H1B (LCA) application in FY2026, according to the latest U.S. Department of Labor disclosures. It was for a Engineering role.
What is Spellman High Voltage Electronics's revenue per employee?
Spellman High Voltage Electronics makes about $1.15M in revenue per employee, based on $500M annual revenue and 433 employees.
How much does Spellman High Voltage Electronics pay?
6figr has 1 salary profile for Spellman High Voltage Electronics in the US, with pay broken down by role, level, gender and ethnicity on the Spellman High Voltage Electronics salaries page. See Spellman High Voltage Electronics salaries
Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.