Guardian Rail’s repair team holds decades of hands-on experience with freight and tank car repair and maintenance, operating the largest independent repair facility network in the country. From large volume maintenance programs, car conversions, and wreck repairs to regulatory tank car maintenance and retrofits, our AAR-certified teams focus on safety, quality, and maximizing in-service time for customers. Guardian Rail operates 11 railcar repair and maintenance facilities, and our 4 full-service tank car shops are strategically located across the United States.