| Abbreviation | Definition |
|---|---|
| WC | Wisconsin Central Railway (Canadian National Railway) |
| WCAX | Westcan Rail Limited |
| WCCL | Wisconsin Central Railway (Canadian National Railway) |
| WCCX | Consolidation Coal |
| WCCX | Consolidation Coal Company |
| WCCZ | Windows Creek Coal Company |
| WCDX | Farmland Industries Incorporated |
| WCDX | Westcentral Cooperative Grain (Far-Mar-Co) |
| WCE | West Coast Express |
| WCFX | General Electric Railcar Services Corporation |
| WCFX | Western Co-operative Fertilizers (GE Rail Services) |
| WCGU | Weldship Industries |
| WCHT | Western-Cullen-Hayes Track switch |
| WCHX | Walter Haffner |
| WCHX | Walter Haffner Company |
| WCIR | Waterford and Central Ireland Railway |
| WCL | Worcester Central Line |
| WCLC | Waccamaw Coast Line Railroad |
| WCLC | Waccamaw Coast Line Railroad Company |
| WCLR | Waccamaw Coast Line Railroad |