The AMR Certificate Management Office (CMO) has certificate management oversight responsibilities for the following air carriers and associated air agencies:

Part 121 Air Carriers
American Airlines Inc, Fort Worth, TX (AALA)
American Eagle Airlines Inc, Fort Worth, TX (SIMA)

Part 145 Repair Stations
American Airlines Inc, Tulsa, OK (AALR)
American Airlines Inc, Fort Worth, TX (A3AR)
American Airlines Inc, Kansas City, MO (ZYUR)
Texas Aero Engine Services LLC, Fort Worth, TX (XE5R)
Eagle Aviation Services Inc, Abilene, TX (E4GR)

Part 142 Training Centers
American Airlines Commercial Flight Operations, Fort Worth, TX (AALX)
American Eagle Training Center, Fort Worth, TX (SIMX)