| 1 | BAZ | Bargouzin Airline | Callsign: Bargouzin, | RUS | AVCODES |
| 2 | BAZ | Chernihiv Automotive Plant | | UA | TRAFFIC |
| 3 | BAZN | BARZEN INTERNATIONAL INC | | | SCAC3 |
| 4 | BAZN | BAZENTINE LIVESTOCK LTD | | | SCAC4 |
| 5 | BAZO | BARTLETT, JAMES TRUCKING | | | SCAC3 |
| 6 | BAZP | BAZUA PEREZ, ROSALIA | | | SCAC4 |
| 7 | BAZQ | BATTS TRANSFER | | | SCAC3 |
| 8 | BAZS | BONANZA ANTIQUES | | | SCAC4 |
| 9 | BAZW | BARTZ, WINN TRUCKING INC | | | SCAC3 |
| 10 | BAZX | Bay Chemical Co., Inc. | added 4/1973; 1/1975-1/1980; eliminated 1/1986 | | NAKINA |
| 11 | BAZX | Bay Zinc Co., Inc. | added 1/1986; eliminated 7/1987 | | NAKINA |
| 12 | BAZX | Bay Chemical Co., Inc. | added 4/73; 1/75-1/80; eliminated 1/86 | | NRHS |
| 13 | BAZX | Bay Zinc Co., Inc. | added 1/86; eliminated 7/87 | | NRHS |
| 14 | BAZX | BAY ZINC CO. [BAY CHEMICAL CO.] | | | PWRC |
| 15 | BAZX | Bay Chemical | | | RSRV |
