| 1 | WCC | Sports Air Travel, Inc. | Callsign: West Coast, | USA | AVCODES |
| 2 | WCC | West Coast Aviation Services, LLC / West Coast Charters | Callsign: West Coast, | USA | AVCODES |
| 3 | WCC | Sport Air Travel | | | ICAO1 |
| 4 | WCCA | WEST COAST CARRIERS INC | | | SCAC4 |
| 5 | WCCB | WEST COAST CABINETRY (2002) LTD | | | SCAC4 |
| 6 | WCCD | WEST COAST CONTAINER SERVICES INC | | | SCAC4 |
| 7 | WCCE | WESTERN CONTAINER CARRIER INC | | | SCAC4 |
| 8 | WCCJ | WEST COAST TRANSPORT LINES INC | | | SCAC4 |
| 9 | WCCL | Wisconsin Chicago Link Ltd. | added 4/2000; 7/2000-7/2005 | | NAKINA |
| 10 | WCCL | Wisconsin Chicago Link Ltd. | added 4/2000; 7/2000 | | NRHS |
| 11 | WCCL | CANADIAN NATIONAL RWY. [WISCONSIN CHICAGO LINK LTD.; WISCONSIN CENTRAL RWY.] | | | PWRC |
| 12 | WCCL | Wisconsin Central Railway (Canadian National Railway) | | | RSRV |
| 13 | WCCL | WISCONSIN CHICAGO LINK LTD | | | SCAC4 |
| 14 | WCCL | Wisconsin Chicago Link Ltd. | | USA | TRAFFIC |
| 15 | WCCM | WEST COAST COMMODITIES INC | | | SCAC4 |
| 16 | WCCN | WIREGRASS CONSTRUCTION CO INC | | | SCAC4 |
| 17 | WCCO | WESTCOAST CONVERTERS | | | SCAC4 |
| 18 | WCCP | WILLIAM CARTER COMPANY, THE | | | SCAC4 |
| 19 | WCCQ | WHEAT CITY CONCRETE | | | SCAC4 |
| 20 | WCCS | WEST COAST CARRIERS LLC | | | SCAC4 |
| 21 | WCCT | WEST COAST CONNECTIONS INC | | | SCAC4 |
| 22 | WCCU | WEST COAST CLEAN FUELS LLC | | USA | BIC |
| 23 | WCCV | WC COOPER TRUCKING LLC | | | SCAC4 |
| 24 | WCCW | WINKLER CONSUMERS COOPERATIVE LTD | | | SCAC4 |
| 25 | WCCX | Worthington Creamery & Produce Co. | 7/1932 | | NAKINA |
| 26 | WCCX | Worthington Creamery & Produce Co. (North Western Refrigerator Line Co.) | 7/1935 | | NAKINA |
| 27 | WCCX | Wannamaker Chemical Co., Inc. | 1/1946 (not listed); 4/1947 | | NAKINA |
| 28 | WCCX | Warren Car Co. | added 10/1957; 10/1957-1/1980; eliminated 10/1982 | | NAKINA |
| 29 | WCCX | Westmoreland Coal Co. | 1/1994 (not listed) | | NAKINA |
| 30 | WCCX | Consolidation Coal Co. | added 1/1998; 7/2000-7/2005 | | NAKINA |
| 31 | WCCX | Warren Car Co. | added 10/57; 10/57-1/80; eliminated 10/82 | | NRHS |
| 32 | WCCX | Westmoreland Coal Co. | Jan-94 | | NRHS |
| 33 | WCCX | Consolidation Coal Co. | added 1/98; 7/2000 | | NRHS |
| 34 | WCCX | *WORTHINGTON CREAMERY & PRODUCE CO. | | | PWRC |
| 35 | WCCX | *WANNAMAKER CHEMICAL CO., INC. | | | PWRC |
| 36 | WCCX | *WARREN CAR COMPANY | | | PWRC |
| 37 | WCCX | *WELLAND CHEMICAL INC. | | | PWRC |
| 38 | WCCX | +CONSOLIDATION COAL COMPANY [WESTMORELAND COAL COMPANY] | | | PWRC |
| 39 | WCCX | Consolidation Coal | | | RSRV |
| 40 | WCCX | RAIL CONNECTION INC | | | SCAC4 |
| 41 | WCCY | WESTERN CONTAINER CORPORATION | | | SCAC4 |
| 42 | WCCZ | WIDOWS CREEK COAL | | | PWRC |
