1 | AADX | Airco Alloys and Carbide, a Division of Airco, Inc. | added 7/1972; eliminated 7/1974 | | NAKINA |
2 | AADX | Airco Alloys and Carbide, a Division of Air Reduction Co. Inc. | added 7/1968; 4/1970; eliminated 7/1972 | | NAKINA |
3 | AADX | Airco Alloys and Carbide, a Division of Air Reduction Co. Inc. | added 7/68; 4/70 | | NRHS |
4 | AADX | Airco Alloys and Carbide, a Division of Airco, Inc. | eliminated 7/74 | | NRHS |
5 | AADX | AIRCO ALLOYS & CARBIDE | | | PWRC |
6 | AADX | Airco Alloys and Carbide | | | RSRV |