North American Industry Classification System (NAICS) Canada 2017 Version 1.0
- 23 - Construction
- 237 - Heavy and civil engineering construction
- 2371 - Utility system construction
- 23711 - Water and sewer line and related structures construction
- 237110 - Water and sewer line and related structures constructionUS
- 23712 - Oil and gas pipeline and related structures construction
- 237120 - Oil and gas pipeline and related structures constructionUS
- 23713 - Power and communication line and related structures construction
- 237130 - Power and communication line and related structures constructionUS
- 2372 - Land subdivision
- 23721 - Land subdivision
- 237210 - Land subdivisionUS
- 2373 - Highway, street and bridge construction
- 23731 - Highway, street and bridge construction
- 237310 - Highway, street and bridge constructionUS
- 2379 - Other heavy and civil engineering construction
- 23799 - Other heavy and civil engineering construction
- 237990 - Other heavy and civil engineering constructionUS
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