Archived - Standard Industrial Classification - Establishments (SIC-E) 1980

• F - Construction Industries
• 41 - Industrial and Heavy (engineering) Construction Industries
• 411 - Industrial Construction (Other Than Buildings)

4113 - Gas and Oil Pipelines

Establishments primarily engaged in the construction of gas and oil pipelines and gas mains. Excluded are establishments primarily engaged in the construction of compressor, metering or pumping stations, which are classified in 4112 - Gas, Oil and Other Energy Related Structures (Except Pipelines), construction.