Company History 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 experi...