Serving the Tri-State Area
Concrete is one of the most commonly used materials in construction. With over 30 years of experience, Certified Testing Services Inc can provide you with quality assurance measurements to answer that critical question. Our certified technicians can provide onsite testing, as well as batch plant testing to assure that the project specifications are being met.
Having worked on some of the largest projects in Sioux City and the state of Iowa, we're able to accommodate any job – large or small. You can trust our certified concrete technicians who always use their best judgment during supervision.
CTS can perform testing on regular weight structural concrete, lightweight concrete, and paving concrete. You can count on us for full-time and on-call basis services, and we can even perform specialized testing for that unique project.
Production testing and inspection
Compressive strength tests
Flexural strength tests
Iowa DOT-certified plant inspection
Diamond bit coring