Stevens Aerospace and Defense Systems, LLC provides MRO (maintenance, repair, and overhaul) services on a wide range of aircraft produced by manufacturers such as Textron, Bombardier, Gulfstream, Pilatus, Dassault, and Embraer. Stevens presently operates facilities in Greenville, S.C. (GYH), Nashville, TN (MQY), Atlanta, GA (FTY) as well as operating a 24-hour/365-day AOG (aircraft on ground) mobile maintenance division. Stevens is also a provider of depot level aircraft maintenance, refurbishment, and modification for federal, state, and local governments. All Stevens locations hold FAR Part 145 repair station certificates and Mexican AFAC certification. GYH also holds EASA certification and conforms to ISO9001: 2015, AS9110C, and DCMA 8210.1C guidelines.