| 1 | JWA | Jetworld Airways Ltd. | Callsign: Jetworld, | AG | AVCODES |
| 2 | JWAB | JW TRUCKING LLC | | | SCAC4 |
| 3 | JWAC | J WAY STERILE SERVICE INC | | | SCAC4 |
| 4 | JWAR | J W A TRUCKING LLC | | | SCAC4 |
| 5 | JWAS | JW APPLICATORS LLC | | | SCAC4 |
| 6 | JWAX | General Electric Rail Services Corp. | added 1/2000; 7/2000-7/2005 | | NAKINA |
| 7 | JWAX | General Electric Railcar Services Corp. | added 1/1984; 1/1994; eliminated 1/2000 | | NAKINA |
| 8 | JWAX | North American Car Corp. | added 1/1964; 7/1965-1/1980; eliminated 1/1984 | | NAKINA |
| 9 | JWAX | North American Car Corp. | 7/65-1/80 | | NRHS |
| 10 | JWAX | General Electric Railcar Services Corp. | 1/94; eliminated 1/2000 | | NRHS |
| 11 | JWAX | General Electric Rail Services Corp. | added 1/2000; 7/2000 | | NRHS |
| 12 | JWAX | (NATX) GENERAL ELECTRIC RAILCAR SERVICES CORP. [NORTH AMERICAN CAR CORP.] - S.C. JOHNSON, LESSEE | | | PWRC |
| 13 | JWAX | GE Rail Services Corporation | | | RSRV |
| 14 | JWAX | GENERAL ELECTRIC RAILCAR SERVICES C | | | SCAC4 |
