The Legacy Continues With Engine MRO. Lockheed Martin’s century-old, unequalled legacy in aviation is carried on within the engine MRO industry by Lockheed Martin Commercial Engine Solutions (LMCES). With facilities in San Antonio, Texas and Montreal, Canada, LMCES capitalizes on that legacy and a notable airline heritage to develop best-value, creative solutions that keep most repair services in house and under our control, ensuring your engine stays on schedule. Flexible work scopes that respect your budget and an experienced workforce complete our service package. Capabilities include full MRO, test, and component repair for CF6-50/80, CFM56-2/3/5/7, CF34-3, and U.S. and international military aircraft. AS9110 Rev A, ISO9001, FAA, TCCA, EASA, DAO, DGAC Chile, and DGAC Mexico certified.