Auto Meter Products helps racers keep a bead on their speed. The company designs and manufactures a myriad of performance gauges, such as speedometers and tachometers, for car as well as truck, motorcycle, and marine enthusiasts. Auto Meter Products also sells test equipment for batteries and electrical systems, data acquisition devices, and gauge-related accessories, including fittings and manifolds. Major customers range from professional and semi-pro race car drivers to OEMs, mechanics, and show car builders. Part of its prestige, Auto Meter's aftermarket parts are widely used by cars in the NASCAR circuit. The company was founded in 1957, and is owned by manufacturing giant Harbour Group Industries.