Key Tronic Corporation is a technology company founded in 1969 by Lewis G. Zirkle. Its core products initially included keyboards, mice and other input devices. Key Tronic currently specializes in PCBA and full product assembly. The company is among the ten largest contract manufacturers providing electronic manufacturing services in the US. The company offers full product design or assembly of a wide variety of household goods and electronic products such as keyboards, printed circuit board assembly, plastic molding, thermometers, toilet bowl cleaners, satellite tracking systems, etc.