Castor Engineering Inc. has been bringing you the highest quality and best performing valves in the aerospace industry since 1996.

The CEI team has extensive experience in the Aerospace industry, with a combined tenure of over 75 years. We proudly carry a product line that includes the finest precision pneumatic control devices on the market today. Our vision is to continuously bring custom solutions to customers that are above and beyond the standard, while continuing development and innovation to further refine the application of aerospace technology.

On this site you will find information regarding all of our current product lines, as well as information on how to contact us for other information, such as specifications and quotes. If you have a specific need that you feel our current product designs cannot fill, please feel free to request that we either customize something to fit your needs or develop a completely new approach to solving the problem.