1 | OER | OREGON ELECTRIC RAILWAY | | | PWRC |
2 | OERR | OREGON EASTERN RAILROAD | | | PWRC |
3 | OERT | ORIENT EXPRESS CONTAINER CO LTD | | | SCAC4 |
4 | OERU | ORIENTAL EQUIPMENT SERVICES INC | | USA | BIC |
5 | OERX | SOUTHERN CALIFORNIA RAILWAY MUSEUM | | | SCAC4 |
6 | OERY | ORANGE EMPIRE RAILWAY MUSEUM | | | PWRC |