2022 Edition
National Industry 237990 Sub-Description:
Microtunneling contractors
Overview
Microtunneling contractors is one of 77 sub descriptions for NAICS National Industry 237990, Other Heavy and Civil Engineering Construction.
Identifier
The identifier for Microtunneling contractors is 4a4690406f4d1d641f50a8348e9afa2a.
Learn more about how we calculate this value.
History
The NAICS editions in which this code was present are indicated below. In the event that a code was changed from the prior edition the equivalent value in that edition is provided for reference.
| Edition | Existed | Equivalent Value |
|---|---|---|
| 2022 | 4a4690406f4d1d641f50a8348e9afa2a | |
| 2017 | 4a4690406f4d1d641f50a8348e9afa2a | |
| 2012 | 4a4690406f4d1d641f50a8348e9afa2a |
Standard Industrial Classification (SIC) Mappings
Mappings are not available for this combination of NAICS code and edition.
Insurance Industry Mappings
The US Property and Casualty Insurance Industry may use the following classification descriptions which might encompass 237990, Microtunneling contractors:
- construction
- contractor sub work bridge or tunnel or elevated street or hwy construction or reconstruction or repair
- contractor sub work construction or reconstruct or repair or erection not bldg not otherwise classified
- contractor subcontracted work in connection with bridge tunnel elevated street or highway construction reconstruction or repair
- contractor subcontracted work in connection with bridge tunnel or elevated street or highway construction reconstruction or repair
- contractor subcontracted work in connection with bridge tunnelor elevated street or highway construction reconstruction or repair
- contractor subcontracted work in connection with construction reconstruction erection or repair not building
- contractor subcontracted work in connection with construction reconstruction repair or erection not building
- heavy and civil engineering construction
- other heavy and civil engineering construction
- tunneling
- tunneling 150 foot in length tier 4
- tunneling 150 foot or greater in length all tier