Mattsco Supply, 5740 E Admiral Pl, Tulsa, OK 74115, US

Evans Enterprises sells services and supports all types of electric motors, generators, controls and related equipment. The company also provides added services like vibration analysis, dynamic balancing, laser alignment, switchgear repair and gearbox repair. It has been in business for more than 50 years. Since 1954, Evans has worked with the industry, government, municipality and utility markets. It operates more than 10 full-service plants located in more than five states. More than 250 service professionals are employed by Evans. They offer a range of electric motor, control, variable frequency drive products, parts and accessories on demand. Evans is based in Tulsa, Okla.