How many employees work at Hemlock Semiconductor?

Hemlock Semiconductor Operations LLC has 894 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is 9.7%.

Data source: Revelio Labs Coverage: Global workforce Latest update: September 2025

About Hemlock Semiconductor

About Hemlock Semiconductor Hemlock Semiconductor Operations (HSC) is a leading provider of hyper-pure polycrystalline silicon (polysilicon) and other silicon-based products used in the manufacture of semiconductor devices, solar cells and modules. At HSC, we’re passionate about silicon-based technology and its unique potential to connect and energize the world we share. HSC’s polysilicon enables customers to produce high-tech electronics and solar energy, and our efficient manufacturing process delivers products with an ultra-low-carbon footprint. HSC began operations in 1961. More information can be found at: hscpoly.com | @hscpoly | LinkedIn | Facebook | YouTube Community Guidelines: These community guidelines exist to ensure a positive, respectful and informative community across Hemlock Semiconductor’s social media channels. To create and maintain a welcoming community for all, we reserve the right to monitor, remove comments and ban users who violate our community guidelines. Be respectful – We do not allow comments that attack other users, employees or organizations. We do not tolerate disparagement of people highlighted in images or videos based on gender, race, class, ethnicity, national origin, religion, sexual preference, disability or other classification. Be kind – We do not allow language that is libelous, defamatory, obscene, threatening, offensive, demeaning, derogatory, disparaging, or abusive, or contains links to content that contains any of this language. Be considerate – We encourage open and productive conversations, and do not allow spamming, comments intended to derail the conversation or other objectionable conduct. We are always working to create a positive and engaged online community and appreciate your cooperation with these guidelines.

As of September 2025

Hemlock Semiconductor
workforce metrics

Headcount

894

Avg. Salary

$83.5k

Tenure

5.0yr

Growth Rate

9.7%

Hiring Rate

Attrition Rate

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Employee Headcount

Interactive chart of Hemlock Semiconductor annual worldwide employee count from 2023 to 2025.

  • Hemlock Semiconductor total number of employees in 2025 was 899.428, a 9.7% increase from 2024.
  • Hemlock Semiconductor total number of employees in 2024 was 823.982, a 2.2% increase from 2023.
  • Hemlock Semiconductor total number of employees in 2023 was 810.719, a 4.6% increase from 2022.

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Employee Geographic Breakdown

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Employee Role Breakdown

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Employee Compensation

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Active Job Postings

Interactive chart of Hemlock Semiconductor annual active job postings from 2023 to 2025.

  • Hemlock Semiconductor active job postings in 2025 was 68, a 1.5% decline from 2024.
  • Hemlock Semiconductor active job postings in 2024 was 127, a 71.7% increase from 2023.
  • Hemlock Semiconductor active job postings in 2023 was 60, a 6.5% decline from 2022.

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Employee Sentiment

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