Pipelines Except Natural Gas
| SIC8 | DESCRIPTION |
| 4612-0000 | CRUDE PETROLEUM PIPELINES |
| 4613-0000 | REFINED PETROLEUM PIPELINES |
| 4613-9901 | GASOLINE PIPELINES (COMMON CARRIERS) |
| 4619-0000 | PIPELINES NEC |
| 4619-9901 | COAL PIPELINE OPERATION |
| 4619-9902 | SLURRY PIPELINE OPERATION |
