Gelest, Inc.

Gelest, Inc., a Mitsubishi Chemical Group company headquartered in Morrisville, Pennsylvania, is a manufacturer and supplier of specialty silicones, organosilanes, metal-organics, and acrylate monomers. The company specializes in custom compound development, leveraging its research and manufacturing capabilities to provide high-quality materials and surface treatment processes. By integrating its expertise with the molecular design and enabling technologies platforms of the Mitsubishi Chemical Group, Gelest develops chemical solutions that scale from laboratory-sized samples to full-scale commercial production for diverse advanced technology applications.

Gelest supports customers across industries including microelectronics, medical devices, life sciences, and personal care. The company addresses complex materials science challenges by providing tailored chemical technology and products, such as precursors for dry resist extreme ultraviolet (EUV) lithography. Through its focus on customer-driven synthesis and collaborative research—including partnerships with companies like IBM—Gelest aims to accelerate innovation cycles, improve performance in next-generation manufacturing, and assist clients in solving critical technical problems to drive industry advancements.