North American Industry Classification System (NAICS) Canada 2017 Version 3.0, regrouping variant for surveying and mapping services

Classification structure

North American Industry Classification System (NAICS) Canada 2017 Version 3.0, regrouping variant for surveying and mapping services - Classification structure
Code	Title
54136	Geophysical surveying and mapping services
54137	Surveying and mapping (except geophysical) services