Preferred Fleet Service Inc - Illinois offers top-notch repair services for all light, medium, and heavy-duty truck fleets in the Chicagoland and Northwest Indiana areas. We have been providing outstanding truck and trailer services since 1977. We work on all makes and models, and we provide road-side service and extended hours to better serve your needs. Our services include engine diagnostics and repairs, hydraulic repairs, preventative maintenance, and more. Call us today for more information.