324 Main St.
Simpson, PA 18407
Gentex Corporation is an integrated life support systems company for human protection and for enhanced human performance during periods of intense environmental exposures. One of the major markets for Gentex is defense, both U.S. Armed Forces and the military units of numerous other nations. Gentex also produces commercial products, developed as a by-product of technologies created for military uses. The company's extensive research and development efforts are designed to serve both military and civilian applications.