| 1 | WESX | B.C. Timber Ltd. | added 1/1984; eliminated 7/1984 | | NAKINA |
| 2 | WESX | Westar Timber Ltd. | added 7/1984; eliminated 7/1986; 1/1994-7/2005 (not listed) | | NAKINA |
| 3 | WESX | B.C. Timber Ltd. | eliminated 7/84 | | NRHS |
| 4 | WESX | Westar Timber Ltd. | added 7/84; eliminated 7/86; 1/94-7/2000 | | NRHS |
| 5 | WESX | WESTAR TIMBER LTD [BC TIMBER, LTD.] | | | PWRC |
| 6 | WESX | Westar Timber (BC Timber) | | | RSRV |
| 7 | WESX | Wessex Trains | Wessex Trains was the primary passenger rail operator in the South West of England. The company operated trains in the region bounded by Penzance, Cardiff, Gloucester, Worcester and Brighton. In addition to running trains, Wessex Trains was responsible for the operation of 125 passenger stations. Wessex Trains merged with First Great Western and First Great Western Link on 1 April 2006. The new franchise is operated by First Group and all its services operate under the name First Great Western. | GB | TRAFFIC |
| 8 | WESXB | Wessex Bus | | GB | TRAFFIC |
