Seals Eastern is an engineering and manufacturing company that designs and produces elastomer seals, gaskets and o-rings for some of the most demanding seal applications throughout the world. The company is one of the leading suppliers of high-temperature, high-pressure seals and packer elements in the energy industry. Seals Eastern is also a source for many fuel and oxidizer seals in some missile systems. It supplies millions of compression-set seals that are designed to ensure leak-free service in diesel engine applications. Since the 1980s, Seals Eastern has supplied explosive decompression resistant seals to major manufacturers of turbine driven compressors, gas re-injection equipment, pumps and other fabricators. Seals Eastern was founded in 1960.