Natural gas distribution and water, sewage and other systems
Classification structure
| Code | Title |
|---|---|
| 2212Natural gas distribution | Natural gas distributionUS |
| 2213Water, sewage and other systems | Water, sewage and other systemsUS |
- Date modified:
| Code | Title |
|---|---|
| 2212Natural gas distribution | Natural gas distributionUS |
| 2213Water, sewage and other systems | Water, sewage and other systemsUS |