| 1 | WIS | Pro Aire Cargo And Consulting, Inc. d/b/a Paccair | Callsign: Wiscair, | USA | AVCODES |
| 2 | WIS | Paccair | | | ICAO1 |
| 3 | WIS | Wismut | | D | TRAFFIC |
| 4 | WIS | Wismut GmbH | | DE | VKM |
| 5 | WISA | WILLIAMS SAUSAGE COMPANY INC | | | SCAC4 |
| 6 | WISA | Wagons Industriels SA | | CH | VKM |
| 7 | WISB | WILLISTON SCOBEY TRANSFER | | | SCAC4 |
| 8 | WISD | WISCONSIN DEPT. OF TRANSPORTATION | | | PWRC |
| 9 | WISE | WISE TRUCKING INC | | | SCAC4 |
| 10 | WISG | W I S LOGISTICS | | | SCAC4 |
| 11 | WISI | WISE CO INC, THE | | | SCAC4 |
| 12 | WISKO | WISKOL Sołtys Waldemar, Sołtys Jarosław Sp. Jawna | | PL | VKM |
| 13 | WISN | WHITE, R D & SONS INC | | | SCAC4 |
| 14 | WISO | WISAMCO TRANSPORTATION LLC | | | SCAC4 |
| 15 | WISR | WATANI INTERNATIONAL SERVICE INC | | | SCAC4 |
| 16 | WISS | WEST INDIAN SHIPPING COMPANY | | | PWRC |
| 17 | WIST | WILLISTON-SCOBEY TRANSFER | | | SCAC1 |
| 18 | WISU | W.I.S.A. | | | PWRC |
| 19 | WISW | WORLDWIDE (INTEGRATED SUPPLY CHAIN | | | SCAC4 |
| 20 | WISX | Wisconsin Power and Light Co. | added 7/1969; 4/1970-1/1980; eliminated 1/1990; 1/1994 (not listed) | | NAKINA |
| 21 | WISX | Alliant Energy | added 4/2000; 7/2000-7/2005 | | NAKINA |
| 22 | WISX | Wisconsin Power and Light Co. | added 7/69; 4/70-1/80; eliminated 1/90; 1/94 | | NRHS |
| 23 | WISX | Alliant Energy | added 4/2000; 7/2000 | | NRHS |
| 24 | WISX | ALLIANT ENERGY [WISCONSIN POWER & LIGHT COMPANY] | | | PWRC |
| 25 | WISX | Wisconsin Power and Light | | | RSRV |
| 26 | WISX | ALLIANT ENERGY | | | SCAC4 |
