Micropac Industries, Inc. engages in the business of designing, manufacturing, and distributing microelectronic circuits including solid state relays and power controllers, optoelectronic components, and sensor and display components and assemblies. Its products include military, space, medical and commercial systems including aircraft instrumentation, navigation, and satellite systems, power supplies, electronic controls, computers, medical devices, and high-temperature products. The company was founded by William W. Horsman in 1963 and is headquartered in Garland, TX.