Hickok has been in the business of developing and manufacturing tools and equipment for over 100 years. Since 1984 the Company has been a leader in diagnostic tools for automotive and mid-size truck technicians. We develop, manufacture and market electronic and non-electronic diagnostic tools as well as hard tools in the USA. This includes products designed for automotive aftermarket and OEM service providers and technicians, tools designed specifically to OEM requirements, and products developed for the emissions testing industry. For over 4 decades the company has developed and manufactured indicating instruments for commercial and military aircraft, and locomotives. For the last several years the company has also manufactured food processing plant replacement parts for production line use. As new technologies emerge, the company actively researches and develops tools to aid technicians in the diagnosis and service of the components and systems these technologies drive. Hickok is fully committed to providing innovative, quality American designed and manufactured diagnostic equipment for years to come.