Insulator Seal Inc. (ISI™), a division of MDC Vacuum Products, LLC, manufactures electrical & optical ceramic-to-metal sealed components for harsh environments. ISI has been the innovation leader in the industry for over 30 years. Evolving from being a high vacuum solutions provider only, ISI now delivers world-class components for harsh environmental connector applications around the globe. We have eight generic product classes used to create innovative solutions for our markets. They are Viewport, Break, Liquid, RF Power, Thermocouple, Power, Multipin, and Coaxial. Each product has its own defined value in the transmission of energy, light, and fluid between a harsh environment to the ambient system. Regardless of your industry or application, Insulator Seal can provide you with the connector solution you require. What seal connection demands do you have?