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Certified Testing Services
One of 15 building or construction service listings in Sioux City.
About Certified Testing Services
Certified Testing Services is a building or construction service in the professional services sector, based in Sioux City, IA. Its recorded address is 419 W 6th St, 51103-4332. The listing includes a telephone number, an official website, an email address. It is one of 15 building or construction service listings tracked in Sioux City; the nearest comparable listing is McClure Engineering Co., about 0.6 km away. Certified Testing Services has 3 listed locations in total; this page covers the Sioux City branch.
- Address
- 419 W 6th St, Sioux City, IA, 51103-4332
- Phone
- +17122525132
- Website
- certifiedtestingservices.com
- ctsinc@ctsgeo.com
- Social
Questions
Where is Certified Testing Services located?
419 W 6th St, Sioux City, IA, 51103-4332
How do I contact Certified Testing Services?
+17122525132 · https://www.certifiedtestingservices.com/
What type of business is Certified Testing Services?
Certified Testing Services is a building or construction service (professional services) in Sioux City.
Certified Testing Services branches
Certified Testing Services has 3 listed locations. This branch is in Sioux City.
- Ridgefield98642-8092
- Storm Lake50588
Nearby building or construction service
- McClure Engineering Co.Sioux City0.6 km
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- Sky ConstructionSioux City1.3 km
- Stateline Electric & Automation Inc.South Sioux City2.4 km
- OlssonSouth Sioux City3.0 km
- Knife River MidwestSioux City2.6 km
- Younglove ConstructionSioux City2.4 km
- Gleeson Constructors and EngineersSioux City2.5 km
- WA Klinger LLCSioux City2.5 km
- Barnhart Crane & RiggingSouth Sioux City3.4 km
- Nelson Commercial ConstructionSioux City2.6 km
- Oban ConstructionSouth Sioux City3.6 km
- Comstock Concrete LiftingSioux City3.6 km
- Terracon Consultants, Inc.Sioux City4.3 km
- Iseman HomesSioux City4.6 km
Cite this page
“Certified Testing Services, Sioux City — business.wiki, retrieved August 2026.” Facts on this page come from openly licensed data (Overture Maps Foundation) and are refreshed with each monthly release; sourcing is documented on the methodology page.