Hours:
Geotechnical Engineering &
Construction Materials Testing
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!
Reach out for more information now.
Structural Integrity Starts With a Dependable Soil Foundation
Call us for a FREE estimate!
Sioux City, IA - (712) 252-5132
Storm Lake, IA - (712) 213-8378
Serving locations in Iowa, Nebraska, South Dakota, and Minnesota. Click here for more details.
1330 Michigan St
Storm Lake, IA 50588
Saturday and Sunday Hours By Appointment Only
Serving locations in Iowa, Nebraska, South Dakota, and Minnesota. Click here for more details.
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