NAICS 541360: Vendors that win government contracts in this category are primarily engaged in gathering, interpreting, and mapping geophysical data. Establishments in this industry often specialize in locating and measuring the extent of subsurface resources, such as oil, gas, and minerals, but they may also conduct surveys for engineering purposes. Establishments in this industry use a variety of surveying techniques depending on the purpose of the survey, including magnetic surveys, gravity surveys, seismic surveys, or electrical and electromagnetic surveys.


  • Aerial Geophysical Surveying Services
  • Electrical Geophysical Surveying Services
  • Electromagnetic Geophysical Surveying Services
  • Geological Surveying Services
  • Geophysical Mapping Services
  • Geophysical Surveying Services

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