About Us In 1935, Vernay founder Sergius Vernet invented the wax expansion element that revolutionized the automotive thermostat. The original wax element thermostat, created more than seven decades ago, is still used in every car on the road. Since its founding, Vernay has nurtured a philosophy of innovation and invention to solve challenging problems. As a result, Vernay has developed into a trusted fluid control solutions provider to leading OEM’s and emerging companies in the Automotive, Medical, Specialty, Printer and Small Engine industries. Vernay engineers and chemists are recognized throughout the industry for their tenacious problem solving drive, and for providing co-designed, custom fluid control solutions that make our customers’ most ambitious product visions a reality. We continue to expand the capabilities of our in-house, world-class R&D laboratories in the U.S., Europe, and Asia to develop proprietary material formulations and designs for our customers.