Archived - Standard Industrial Classification - Establishments (SIC-E) 1980
- F - Construction Industries
- 41 - Industrial and Heavy (engineering) Construction Industries
- 411 - Industrial Construction (Other Than Buildings)
- 4111 - Power Plants (Except Hydroelectric)
- 4112 - Gas, Oil and Other Energy Related Structures (ExceptPipelines)
- 4113 - Gas and Oil Pipelines
- 4119 - Other Industrial Construction
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