NTI proudly offers engineering and testing services throughout the upper Midwest including:

  • Geotechnical (soil and bedrock) engineering
  • Materials engineering
  • Specials inspections
  • Firestopping inspections
  • Environmental site assessments
  • Monitoring well construction and abandonment
  • Forensic/Investigative environmental, geotechnical and materials consulting and testing services
  • Nondestructive testing
  • Instrumentation
  • Quality assurance and quality control
  • Owner’s project representation