Soil Testing

Soil Testing and Subgrade Evaluation

Controlling Soil Variability


Soil can be an extremely variable material that takes a high level of skill and training to identify changes in the material. Our highly trained technicians and engineers will help identify and resolve issues to keep your project on time. Certified Testing Services, Inc. uses the latest technology and equipment to keep your job moving forward and assure that the project specifications are being met.


With over 36 years of experience, we understand your need for a quick response time, and we're happy to deliver your construction testing reports with speed and accuracy that are unmatched in our industry. As a local, family-owned, and operated business, you can hire us on a full-time or on-call basis, depending on your needs.


You can trust our staff for top-notch results. Call us to learn more about our soil services!


Soil Analysis Services


  • Moisture-density relations
  • Compaction testing
  • Inspection and soil classification
  • Atterberg limits
  • Pile load tests
  • Pile placement inspection
  • Caisson placement inspection
  • Contract drilling services
  • EPS foam testing
  • Rammed aggregate pier placement inspection
  • Constant head/falling head permeability testing
  • Consolidation testing
  • Direct shear testing
  • Grain size analysis (hydrometer) testing
  • Soil resistivity testing (lab and field)
  • Dynamic cone penetrometer testing


Reach out for more information now.

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