Espey Mfg. & Electronics Corp is a Power Electronics Design and Original Equipment Manufacturing (OEM) company with a long history of developing and delivering highly reliable products for use in military and severe environment applications. All design, manufacturing, and testing is performed in our 150,000+ square foot facility located at 233 Ballston Ave, Saratoga Springs, New York. Espey is a small business that is ISO AS9100 certified and publicly traded on NYSE Amex (ESP). Espey has been in business for 85 years and continues to be successful through the design and manufacture of new and improved products by using cutting edge and emerging technologies.