Overview We at KEMET, a YAGEO Group company, help make a wide variety of products possible in the world's most rapidly expanding industries. Founded in 1919 in Cleveland, Ohio, with over 100 years of technological innovation, we manufacture capacitors and other components for computing, telecommunications, medical, aerospace, defense, and automotive markets. Our components are found in spacecrafts and defibrillators - from outer space to inside our bodies, and in products we use every day.