| 1 | AZL | Air Zanzibar Limited | Callsign: Zanzibar, | EAT | AVCODES |
| 2 | AZL | Africa One (Zambia) Ltd. | Callsign: Sky Africa, | Z | AVCODES |
| 3 | AZL | Azee Air LLC | Callsign: Azee Air, AOC revoked by authorities. | KZ | AVCODES |
| 4 | AZL | Africa One | | | ICAO1 |
| 5 | AZLC | AZ LOGISTICS | | | SCAC4 |
| 6 | AZLI | ARIZONA LIMOUSINES INC | | | SCAC3 |
| 7 | AZLI | AZ LOGISTIQUE | | | SCAC4 |
| 8 | AZLT | A & Z LOGISTIC TRANSPORTATION INC | | | SCAC4 |
| 9 | AZLU | AUSTRALIA NEW ZEALAND DIRECT LINE | | | SCAC3 |
| 10 | AZLU | CP SHIPS | | | SCAC4 |
| 11 | AZLX | American Zinc Co. | added 4/1967; 4/1970; eliminated 10/1970 | | NAKINA |
| 12 | AZLX | American Zinc, Lead and Smelting Co. | 7/1965 | | NAKINA |
| 13 | AZLX | American Zinc Co. of Illinois | 10/1966; eliminated 4/1967 | | NAKINA |
| 14 | AZLX | American Zinc Co. of Illinois | added 4/1965 | | NAKINA |
| 15 | AZLX | American Zinc Co. of Illinois | added 4/65 | | NRHS |
| 16 | AZLX | American Zinc, Lead and Smelting Co. | Jul-65 | | NRHS |
| 17 | AZLX | American Zinc Co. of Illinois | 10/66; eliminated 4/67 | | NRHS |
| 18 | AZLX | American Zinc Co. | added 4/67; 4/70; eliminated 10/70 | | NRHS |
| 19 | AZLX | AMERICAN ZINC CO. & PREDECESSOR COMPANIES | | | PWRC |
| 20 | AZLX | AMERICAN ZINC COMPANY OF ILL | | | SCAC3 |
