Founded in 1990 by a former Pittsburgh & Lake Erie Railroad employee, Pittsburgh Air Brake Company repairs and rebuilds braking equipment for passenger, locomotive, and freight railcars. This family-owned and operated Bentleyville shop is one of the few in the country still servicing P, K, and L-type triple valves dating to 1889, while also reconditioning and certifying single-car testing devices to AAR requirements. Its railroad know-how spans more than 50 years and is being carried into a third generation of the Jubeck family.