Variant of North American Industry Classification System (NAICS) 2022 Version 1.0 for Energy sector
- Non E - Industries not included in the energy sector
- 54 - Professional, scientific and technical services
- 541 - Professional, scientific and technical services
- 5413 - Architectural, engineering and related services
- 54136 - Geophysical surveying and mapping services
- 541360 - Geophysical surveying and mapping services
- Date modified: