Global Engine Maintenance, LLC. (GEM) is a premier leader in the commercial aircraft engine overhaul industry, serving airlines, lessors and aviation organizations worldwide. GEM offers the highest quality services and maintenance available for the CFM56 and JT8D series of engines. Our services include full engine restorations, tear-downs, piece parts, components repairs, and field service support anywhere in the world. GEM differentiates itself by delivering unparalleled responsiveness and customer service at excellent prices.