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Gelest
Gelest Inc. is recognized world-wide as a leader and innovator in materials science and technology. Gelest manufactures and provides silane, silicone and...
Gelest
Gelest Inc. is recognized world-wide as a leader and innovator in materials science and technology. Gelest manufactures and provides silane, silicone and metal-organic compounds serving advanced technology markets through a customer driven approach. Learn more
General information
Firm type
other
Year founded
1991
Location
Region
North America
Country
United States
City
Morrisville
Corporate office
Morrisville, PA, United States
Principals
Barry Arkles
founder
Sector focus
Frequently asked questions
Who founded Gelest and when?
Gelest was founded in 1991 by Barry Arkles, a materials scientist. The company timeline on its website lists the founding year and Arkles as co-founder.
What are Gelest's core product families?
Gelest produces four core lines: silanes, silicones, metal-organic compounds, and acrylates (including its Bimax product line acquired in 2019). These are sold as research and commercial quantities.
Which industries does Gelest serve?
Gelest sells into microelectronics, medical devices, pharmaceuticals, personal care, coatings, adhesives, sealants, and elastomers (CASE), and life science diagnostics. Specific applications include ALD and CVD precursors for semiconductors, contact lens materials, and cosmetic surface treatments.
When did Gelest become part of Mitsubishi Chemical Group?
Gelest joined the Mitsubishi Chemical Group in 2020. The firm is now described as a Mitsubishi Chemical company on its website.
Does Gelest disclose revenue or financial data?
Gelest does not disclose revenue, profit, or AUM figures publicly. Financial data is unavailable as the firm operates as a subsidiary of Mitsubishi Chemical Group.
Where are Gelest's facilities located?
Gelest's corporate offices, R&D, and manufacturing are in Morrisville, Pennsylvania, with additional facilities in Glen Rock, Pennsylvania. The firm also has a European logistics center in Frankfurt, Germany, and a central U.S. warehouse in Morrisville, Pennsylvania.
What was Gelest's recent collaboration with IBM?
In February 2026, Gelest announced a collaboration with IBM to test dry resist extreme ultraviolet (EUV) lithography precursors, as stated in a press release on the company's website.
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