History & Mission

Gelest, Inc., headquartered in Morrisville, PA, USA, was founded in 1991 to serve the advanced technology applications markets and is recognized worldwide as an innovator, manufacturer, and supplier of Organo-Silicon and Metal-Organic materials for commercial production and R&D support.


Since its inception, Gelest, Inc. has continuously added experts in the fields of silanes, silicones, and metal-organics.

The technical staff includes individuals with extensive hands-on experience and academic credentials (see executive team). Joint developments between customers and staff have led to an increased product offering from several hundred materials to the current listing of several thousand materials.


Company Mission

Gelest, Inc. is an innovator, manufacturer, and supplier of silicones, organosilanes, and metal-organics.  Our mission is to help our customers win by assisting them in the development and supply of chemistry to solve their most challenging materials science problems and enable their new product technology.

Gelest, Inc. provides focused technical development and application support for:

Microelectronics, Metallization & Dielectrics

Diagnostics and Separation Science

Specialty Polymeric Materials

Pharmaceutical Synthesis

Medical Materials

Personal Care



Copyright 1991 - 2021 Gelest, Inc.