Surveying and Mapping Services

- Exclusions/references - Units mainly engaged in exploring for petroleum or minerals are included in the appropriate classes of Group 101 Exploration. **Primary Activities:** - Aerial surveying service - Cadastral surveying service - Engineering surveying service - Geodetic surveying service - Gravimetric surveying service - Hydrographic surveying service - Land surveying service - Map preparation service - Mining surveying service - Oceanographic surveying service - Photogrammetry - Seismic surveying service