SI Group
SI Group is a global specialty chemicals company with over 100 years of experience. Headquartered in The Woodlands, Texas, it operates 20 manufacturing facilities across five continents and serves customers in more than 80 countries. The company was founded in 1906 and has evolved through strategic acquisitions and innovations, including its formation under SK Capital ownership in 2018. SI Group offers a range of products, including performance additives like antioxidants and stabilizers, process solutions such as phenolic resins, and active pharmaceutical ingredients (APIs). It serves key industries including plastics, rubber, fuels, lubricants, oilfield, and pharmaceuticals. The company emphasizes sustainability, earning a Gold Rating from EcoVadis and launching the EVERCYCLE™ platform to promote circular economy solutions. With a focus on reducing environmental impact, SI Group is committed to its ESG goals and aims to strengthen its position as a leader in performance additives.
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Headcount trend
SI Group went from 673 employees in Jul 2023 to 673 in Jun 2025. Last 6 months: 32 people joined, 9 left.
Org structure
Headcount by department
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All salaries20 salary profiles in India
Most reported roles
H-1B sponsorship
The department split adds up all the years listed above. FY2026 alone: 1 filings.
Peer reviews
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SI Group FAQ
How many employees does SI Group have?
SI Group has about 673 employees, up 1.1% over the last 3 months (as of Jun 2025).
Does SI Group sponsor H1B visas?
Yes. SI Group 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 SI Group's revenue per employee?
SI Group makes about $2.08M in revenue per employee, based on $1.4B annual revenue and 673 employees.
How much does SI Group pay?
6figr has 20 salary profiles for SI Group in India, with pay broken down by role, level and gender on the SI Group salaries page. See SI Group salaries
Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles. Updated 21 Oct 2026.