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About Us

Founded in 1958, Thermionics manufactures innovative Ultra High Vacuum solutions for academic, governmental and industrial institutions around the world.

We understand each customer’s unique requirements and design equipment and processes that set new standards of precision and durability, exceeding their expectations.

From designing new components and systems to the modification and repair of existing equipment, Thermionics delivers the best equipment, services and value to customers around the world.

Discover how Thermionics can help your organization.
Call 800-962-2310 or send us an email