| AC | Algoma Central Railway (skr.), bývalá železnica v Severnom Ontáriu v Kanade |
|---|---|
| AEIF | European Association for Railway Interoperability (skr.), Európska asociácia pre interoperabilitu železníc (angl.skr.) |
| APOLLO | parná lokomotíva spoločnosti West Cornwall Railway |
| ARU | skr. american railway union |
| GER | skr. železničnej dráhy Veľkej Británie, The Great Eastern Railway |
| LNER | London & North Eastern Railway |
| NRM | National Railway Museum |
| RLO | Railway Liaison Officer (skr.) |
| RTA | Railway Tie Association |
| SANTA FE | Atchison, Topeka and Santa Fe Railway (skrátene) |