7NT provides highly specialized, complex drilling, testing and inspection services. The following pages will demonstrate our experience and knowledge of this highly complex work with a sample of our project experience.

7NT Professional Services: 

  • Highly Complex Drilling Services (Specializing in Deep Tunnels)
  • Construction Management/Inspection
  • Laboratory Services
  • Materials Testing
  • Geotechnical Engineering
  • Water/Wastewater Engineering

 

Thanks for your dedication. Please extend my Thanks to the Crew.
This is what makes my job easy, keep up the Great Job!”
Jerry L. Jung, P.E.

Metropolitan St. Louis Sewer District
7NT works on projects nationwide.

7NT works on projects nationwide. We have offices in the following states:

 

  • Illnois
  • Indiana
  • Michigan
  • Missouri
  • Nebraska
  • Ohio
  • Pennsylvania
  • Washington, DC

Prequalifications and Certifications

7NT is a nationally recognized Minority Business Enterprise (MBE) by the National Minority Supplier Development Council (NMSDC).

 

  • 7NT is certified as an MBE with state, regional and local organizations in the areas where we do business.

ODOT Prequalifications

  • Geotechnical Engineering
  • Geotechnical Testing Lab
  • Geotechnical Field Exploration
  • Geotechnical Drilling Inspection
  • Construction Management Firm

INDOT Prequalifications

 

  • Construction
  • Geotechincal Engineering

PennDOT Prequalifications

  • Drilling Class A and S

 

KYTC Prequalifications

  • Geotechnical Engineering
  • Geotechnical Testing Lab
  • Geotechnical Drilling Inspection

 

Laboratory Certifications

 

  • Dayton, OH- AASHTO Accredited (AMRL/CCRL), USACE Validated
  • Indianapolis, IN- AASHTO Accredited (AMRL/CCRL), USACE Validated