| 1 | WRC | Wind Rose Aviation Company Ltd t/a WINDROSE Airlines | IATA: 7W, Callsign: Wind Rose, IATA designator changed to 7W. | UA | AVCODES |
| 2 | WRC | Wind Rose Aviation Company Ltd t/a WINDROSE Airlines | IATA: 7W, Callsign: Wind Rose, IATA designator changed from 7W*. | UA | AVCODES |
| 3 | WRC | WOLFEBORO RAILROAD CO. | | | PWRC |
| 4 | WRCA | WEST RACE CARS | | | SCAC4 |
| 5 | WRCC | WINNIPESAUKEE RAILROAD CORP. | | | PWRC |
| 6 | WRCE | WESTGATE RV CENTRE LTD | | | SCAC4 |
| 7 | WRCG | WRC LOGISTICS INC | | | SCAC4 |
| 8 | WRCI | WOOLLEY TRUCKING LLC | | | SCAC4 |
| 9 | WRCK | WONDRACK DISTRIBUTING INC | | | SCAC4 |
| 10 | WRCL | WHITE ROCK COURIER LTD | | | SCAC4 |
| 11 | WRCP | WHITE RIVER CO-OP | | | SCAC4 |
| 12 | WRCR | WTL RAIL CORPORATION | | | SCAC4 |
| 13 | WRCS | WISCONSIN RIVER CO-OP SERVICES | | | SCAC4 |
| 14 | WRCT | WARCO TRANSPORTATION INC | | | SCAC4 |
| 15 | WRCU | PCA-PEUGEOT CITROEN AUTOMOBILES | | | SCAC4 |
| 16 | WRCX | Warren Refining Co. | 8/1920-7/1923 | | NAKINA |
| 17 | WRCX | Warren Refining Co. (Refiners Car Corp.) | 7/1930 | | NAKINA |
| 18 | WRCX | Wisconsin Rendering Co., Inc. | 1/1946-4/1970; eliminated 1/1971 | | NAKINA |
| 19 | WRCX | Wisconsin Rendering Co., Inc. | 1/52-4/70; eliminated 1/71 | | NRHS |
| 20 | WRCX | *REFINERS CAR CORP. (WARREN REFINING CO.) | | | PWRC |
| 21 | WRCX | *WISCONSIN RENDERING CO., INC. | | | PWRC |
| 22 | WRCX | WRCX COMPANY | | | SCAC4 |
