Sperry Rail is one of the leading and largest rail flaw detection companies in the world. The company serves more than 200 clients in the railroad industry. It has been providing induction inspection system since 1928. The company offers online information on various issues related to rail testing. It has developed the Critical Defect Analysis process, which increases rail testing coverage. Sperry Rail conducts ultrasonic inspections for switches and turnouts. The company operates Ultrasonic Level I and II certification programs. It offers data management services and also conducts service failure investigations. Sperry Rail maintains a fleet of testing vehicles and chase cars.