Hours:
Geotechnical Engineering &
Construction Materials Testing
When working on a construction job, the steel you use is fabricated at a shop before being brought to your site. This is a good thing! It allows for the division of two basic inspection steps: shop inspection and field inspection.
When you hire Certified Testing Services, Inc., you can feel confident in our steel inspections, as we have over 36 years of experience in the construction testing industry. Our in-field steel quality assurance provides expertise and high-quality equipment like no one else in the industry.
We know how to keep your job site safe. Call us to learn more about structural steel inspections!
For top-notch construction steel services that you can rely on, contact us now.
Certified in Non-Destructive Steel, Rebar, and Visual Weld Inspections
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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