Espey is on a power trip. Espey Mfg. & Electronics makes electronic equipment for high-voltage applications, including specialized electronic power supplies, transformers, and electronic system components. Its transformers and electronic systems include high-power radar transmitters, antennas, and iron-core products such as magnetic amplifiers and audio filters. The company's products are used by industrial and military customers in radar, missile guidance and control, communications, aircraft navigation, and nuclear submarine control. Customers include General Electric, Lockheed Martin, Raytheon, and the US government. Exports account for more than 20% of Espey's sales.