| Code | Description | Items |
|---|---|---|
| 380 | Commerce, communications, transport | 29 |
| 381 | Internal commerce (Domestic trade) | 49 |
| 382 | International commerce (Foreign trade) | 34 |
| 383 | Postal communication | 7 |
| 384 | Communications Telecommunication | 26 |
| 385 | Railroad transportation | 58 |
| 386 | Inland waterway & ferry transportation | 18 |
| 387 | Water, air, space transportation | 24 |
| 388 | Transportation Ground transportation | 51 |
| 389 | Metrology & standardization | 6 |