| 1 | WICB | WESTERN IOWA COOPERATIVE | | | SCAC4 |
| 2 | WICC | WILCOX TRUCKING LLC | | | SCAC4 |
| 3 | WICH | WICHITA MOVING & STORAGE | | | SCAC4 |
| 4 | WICHITA | Wichita Transit | City: Wichita KS | USA | TRAFFIC |
| 5 | WICO | William Cook Rail GmbH | | CH | VKM |
| 6 | WICP | WORLDWIDE INVESTMENT CORP | | | SCAC4 |
| 7 | WICQ | W I CONSTRUCTION INC | | | SCAC4 |
| 8 | WICS | WEIRTON ICE & COAL SUPPLY COMPANY | | | SCAC4 |
| 9 | WICT | Wisconsin & Calumet R.R. Co., Inc. | added 10/1985; 1/1994; eliminated 4/1995 | | NAKINA |
| 10 | WICT | Wisconsin & Southern R.R. Co., Inc. | added 4/1995 | | NAKINA |
| 11 | WICT | Wisconsin & Calumet R.R. Co., Inc. | eliminated 1/1998 | | NAKINA |
| 12 | WICT | Wisconsin & Calumet R.R. Co., Inc. | 1/94; eliminated 4/95 | | NRHS |
| 13 | WICT | Wisconsin & Southern R.R. Co., Inc. | added 4/95 | | NRHS |
| 14 | WICT | Wisconsin & Calumet R.R. Co., Inc. | eliminated 1/98 | | NRHS |
| 15 | WICT | WISCONSIN & SOUTHERN RAILROAD CO. [WISCONSIN AND CALUMET RAILROAD CO.] | | | PWRC |
| 16 | WICT | Wisconsin and Calumet Railroad | | | RSRV |
| 17 | WICU | WICAB CONTAINER AB | | S | BIC |
| 18 | WICU | HEINRICH WIECHERS SEN KG | | | SCAC4 |
| 19 | WICW | WICHITA SOUTH AND WEST | | | SCAC4 |
