Geotechnical Testing & Inspections

Who We Are

GTI was founded in 1995 by Dr. Peter Fleming, P.E., with the intent of creating a geotechnical, environmental, and materials testing engineering company that would be able to supply clients with innovative, cost effective solutions to residential, commercial, industrial, municipality, ADOT and telecommunication engineering needs.

GTI is a nationally recognized certified woman owned business and has ADOT small disadvantage business status. These certifications can assist you and your clients in obtaining municipality and federally funded projects.

Today GTI employs Professional Engineers, Geologists, Biologists, Archeologists, and technicians in both the corporate office located in Scottsdale, AZ and the branch office in Tucson, AZ. GTI also has an office in Guadalajara, Mexico.

Some of our services include:

  • Geotechnical Subsurface Explorations
  • Environmental Engineering Services
  • Materials Engineering and Testing
  • Post-Tensioned Slab Recommendations
  • Forensic Services (Foundation Investigations & Expert Testimony Services)
  • Remediation Alternatives
  • Foundation Recommendations & Design (Shallow – Deep)
  • Cellular Tower Foundation Design (Monoples, Guyed Towers, etc.)
  • Asbestos Surveys
  • Radon Testing
  • Pile Integrity Testing (PIT) and Cross-Hole Sonic Logging (CSL)
  • Seismic Refraction Surveys

Quality Work, On Time, On Budget

We are able to provide professional services to our clients across the United States and Mexico. The key members of the firm have provided a wide range of services from feasibility studies through design and construction. Dr. Peter Fleming, P.E., the President of GTI, and his staff have completed several thousand geotechnical and environmental studies in Arizona, as well as New Mexico, California, Nevada, Utah, Texas, Colorado, Washington, and Mexico.

The GTI representatives are very familiar with development projects and the geotechnical parameters needed for a successful, practical and cost effective design solutions. Our engineers, geologists, scientist, and technicians share the team concept to provide quality work, executed on time, and within budget.

GTI is proud to be part of the design team. We believe that by being involved in all aspects of design, GTI can be more effective in developing innovative alternatives and ultimately save our clients money.

Contact Us Today!

GTI is prepared to meet all your engineering needs

by performing high quality work in a timely and cost effective manner, specific to your projects needs.

Contact us today for more details on our services and tell us about your project needs.

Contact Us Today!
Schedule An Inspection

Schedule an inspection:

GTI appreciates the opportunity to provide you with your testing needs. GTI will do everything in our power to meet your scheduling needs.

Schedule An Inspection
Request A Proposal

Request a proposal:

GTI appreciates the opportunity to provide a proposal on your upcoming project. GTI will prepare a formal proposal for your review within 24 hours of receipt.

Request A Proposal

Meet The Team

Geotechnical Testing & Inspections (GTI) has a full staff of engineers, geologists, scientists, technicians and administrative personnel.
Some of the key personnel are:

Jennifer M. Jones M.S.
Jennifer M. Jones M.S.Chief Executive Officer
Mrs. Jones is the CEO and Owner of GTI, with a Masters Degree in Environmental Sciences, and is responsible for the day to day operations of the company.
Dr. Peter Fleming, P.E.
Dr. Peter Fleming, P.E.President
Dr. Fleming is President of Geotechnical Testing & Inspections (GTI) and is responsible for all the technical and administrative aspects of the company.
Pamela Martin
Pamela MartinVice President
Mrs. Martin is the Vice President for Geotechnical Testing & Inspections.

Our Certifications