| 1 | WHS | Wiking Helikopter Service, GmbH | Callsign: Weeking, | D | AVCODES |
| 2 | WHS | Wiking Helikopter Service | | | ICAO1 |
| 3 | WHSA | WHOLESALE TRUCK PARTS | | | SCAC4 |
| 4 | WHSB | WHITE, SCOTTY B | | | SCAC4 |
| 5 | WHSC | WHEAT STATE CARRIERS INC | | | SCAC4 |
| 6 | WHSF | WHEELING STEEL | | | PWRC |
| 7 | WHSG | WIGHTMAN SHIPPING CO INC | | | SCAC4 |
| 8 | WHSH | WHITESHELL COLONY FARMS LTD | | | SCAC4 |
| 9 | WHSL | WHITE STAR TRUCK LINES INC | | | SCAC4 |
| 10 | WHSM | WHS | | | SCAC4 |
| 11 | WHSO | WAREHOUSE ASSOCIATES LP | | | SCAC4 |
| 12 | WHSP | WAREHOUSE SPECIALISTS INC | | | SCAC4 |
| 13 | WHSQ | WHEELSKY LOGISTICS INC | | | SCAC4 |
| 14 | WHSU | WAN HAI LINES LTD | | RC | BIC |
| 15 | WHSU | WAN HAI LINES LTD | | | SCAC4 |
| 16 | WHSX | North American Car Corp. | added 7/1966; 10/1966-1/1980; eliminated 1/1984 | | NAKINA |
| 17 | WHSX | General Electric Railcar Services Corp. | added 1/1984; eliminated 7/1986 | | NAKINA |
| 18 | WHSX | North American Car Corp. | added 7/66; 10/66-1/80 | | NRHS |
| 19 | WHSX | General Electric Railcar Services Corp. | eliminated 7/86 | | NRHS |
| 20 | WHSX | GE RAIL SERVICES [NORTH AMERICAN CAR CORP.] | | | PWRC |
| 21 | WHSX | GE Rail Services | | | RSRV |
