| 52.1 | WAREHOUSING AND STORAGE |
| Class | The name of the class |
| 52.10 | Warehousing and storage |
| 52.2 | SUPPORT ACTIVITIES FOR TRANSPORTATION |
| Class | The name of the class |
| 52.21 | Service activities incidental to land transportation |
| 52.22 | Service activities incidental to water transportation |
| 52.23 | Service activities incidental to air transportation |
| 52.24 | Cargo handling |
| 52.29 | Other transportation support activities |