| Abbreviation | Definition |
|---|---|
| LGCX | La Prairie Group Contractors |
| LGEU | CATU Containers |
| LGEU | CATU Containers S. A. |
| LGEX | L. G. Everist Incorporated |
| LGEX | L.G. Everist |
| LGIX | Lincoln Grain |
| LGMX | Logistics Management Systems |
| LGNZ | BNSF Railway |
| LGNZ | Burlington Northern and Santa Fe Railway Company |
| LGSX | MidAmerican Energy |
| LGSX | MidAmerican Energy Company |
| LGTU | Liquid and Gas Transport |
| LGTU | Liquid and Gas Transport Incorporated |
| LGTX | Logistechs |
| LHBR | London, Huron, & Bruce Railway |
| LHFX | Lehigh Heavy Forge Corporation |
| LHR | Lehigh and Hudson River Railway (Norfolk Southern) |
| LHRR | Longhorn Railroad |
| LHRR | Lost Heaven Rail Roads |
| LHTX | Larsen Farms |