Since 1958 Thermionics has designed, developed, and manufactured ultra high vacuum (UHV) equipment for scientific and industrial applications. Our products are the result of careful research and development, rigorous testing, and continuing performance evaluation.

For new components and systems, or the modification and repair of existing equipment, Thermionics will deliver the best equipment and value to you.

Our product lines include:

High Vacuum Pumps
Manipulators and Mechanical Feedthroughs
e-Guns™
Vacuum Coating Systems
Valves
Flanges and Fittings
PyraFlat™ and TriMetal™ Flanges
Mechanical Feedthroughs
Electrical Feedthroughs
Vacuum Pressure Gauges
Helium Leak Detectors

Let us know how we can help you!

Employment Opportunities

Thermionics is a growing company with opportunities for personal and professional growth. We are always looking for good people with a sense of humor and a strong work ethic.

Please feel free to contact us to talk about a possible position with Thermionics.

Click Here to download our Application for Employment!