| Abbreviation | Designation | |
|---|---|---|
| ATG | AlpTransit Gotthard (German) | railway company |
| ATG | Autotransportlogistic (Transitterminal) (Polish) | railway company |
| ATG | DB Schenker Rail Automotive, DB Schenker Rail Automotive GmbH (German) | railway company |
| ATG | Alster-Touristik GmbH (German) | transport company |