TRAMEC SLOAN is an American based manufacturer and supplier of Air and Electric Components to the Heavy Duty Truck and Trailer Industry. We are comprised of three former independent companies that together total over 35 years in the Heavy Duty Truck and Trailer Industry. The combination of Tramec's and Crawford Machine Incorporated's standard position OEM products added to Sloan Transportation's industry-leading aftermarket position has created a well balanced company that is tested and prepared for the challenges of the Heavy Duty Truck and Trailer Industry. Our core belief is manufacturing and providing quality products with great service at an exceptional value for our partners in the Heavy Duty Truck and Trailer Industry. Tramec Sloan's facilities in Iola, Kansas; Galion, Ohio and Holland, Michigan consistently provide the best American made products to the customers we serve everyday. We appreciate the partnerships that we've developed over the years with our customers and end users as we strive to provide practical and innovative solutions for our partners in Heavy Duty.