AVX proves that tiny parts can add up to big business. The company's largest segment, passive components, makes passive electronic components for automotive braking systems, copiers, hearing aids, locomotives, and wireless phones. The KED Resale segment specializes in products made by Kyocera (which owns a controlling stake in the company), such as ceramic and tantalum capacitors that store, filter, and regulate electrical energy in electronic devices. The interconnect segment makes electronic connectors for automotive and medical electronics applications. Asia is its largest market.