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American Engineering Testing, Inc.

About Us

Built on a solid foundation, Northern Technologies, LLC (NTI) leads the industry in geotechnical engineering, construction materials testing, forensic engineering and environmental consulting services. Established in 1996, NTI provides comprehensive engineering and testing services to a variety of federal, state and regional agencies, counties, municipalities, corporations, property owners, developers, contractors, engineers and architects. Our team serves clients from Bismarck, Fargo, Grand Forks, and Minot, North Dakota; Rapid City and Sioux Falls, South Dakota; and Inver Grove Heights and Ramsey, Minnesota.

Truly unique among our peers, NTI maintains a reputation of quality by consistently delivering exceptional services in a range of technical disciplines. We are committed to quality, value added engineering design, exemplary customer service, professional ethics and innovation. This commitment has resulted in rapid growth and market recognition as an industry leader. Our clients recognize the value of our services, resulting in a significant amount of repeat work.

Our project teams serve the design and construction industries working on a variety of commercial, industrial, public, private, and institutional projects. We pride ourselves on solving our clients’ problems as if they were our own. NTI’s mission is to provide quality engineering and testing services on time with cost effective solutions for the project’s design construction challenges. Let us demonstrate our commitment to service, value, dependability and technical excellence on your next project.


  • Geotechnical (soil and bedrock) engineering
  • Materials engineering
  • Special inspections including firestopping
  • Nondestructive testing
  • Monitoring well construction and abandonment