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NDT Companies
Industrial NDT inspection technician

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Find certified NDT inspection companies near you. Compare certifications, capabilities, and request quotes — all for free.

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5544 suppliers found

Zeigler
Zeigler, Illinois

Zeigler is a city in Franklin County, Illinois, United States. The population was 1,484 at the 2020 census.

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Zoe
Zoe, Kentucky

Zoe is an unincorporated community in Lee County, Kentucky, United States. It lies north of the city of Beattyville, the county seat of Lee County, along Route 11. Its elevation is 1,145 feet. It has a post office with the ZIP code 41397.

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Zolfo Springs
Zolfo Springs, Florida

Zolfo Springs is a town in Hardee County, Florida, United States. It is part of the Florida Heartland region. The population was 1,737 at the 2020 census.

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Zwolle
Zwolle, Louisiana

Zwolle is a small town in Sabine Parish, Louisiana, United States. As of the 2020 census, Zwolle had a population of 1,638. It was named after Zwolle, a Dutch city and the capital of the province Overijssel.

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Browse by Certification

API 1104API 510API 570API 653ASMEASNT Level IIASNT Level IIICWI (AWS)ISO 17025ISO 9001Nadcap NDTNAS 410Nuclear NQA-1SNT-TC-1A

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Aerospace & DefenseConstructionInfrastructureManufacturingMarineMiningNuclearOil & GasPetrochemicalPipelinePower Generation

Top Cities for NDT Companies

Los Angeles, CAChicago, ILHouston, TXPhoenix, AZPhiladelphia, PASan Antonio, TXSan Diego, CADallas, TXSan Jose, CAFort Worth, TXJacksonville, FLColumbus, OHIndianapolis, INCharlotte, NCSan Francisco, CASeattle, WADenver, CONashville, TNEl Paso, TXOklahoma City, OKPortland, ORDetroit, MIMemphis, TNLouisville, KYMilwaukee, WIAlbuquerque, NMTucson, AZKansas City, MOAtlanta, GAOmaha, NE

Frequently Asked Questions

How do I choose the right NDT inspection company?
Start by identifying your project requirements: Verify ASNT Level II/III personnel certifications are current. Confirm they have experience with your specific NDT method. Check insurance and safety records for field work. Ask about equipment calibration and reporting standards. Our directory lets you compare NDT inspection companies side by side, filter by certifications and location, and request quotes from multiple suppliers at once — all for free.
What certifications should I look for in a NDT inspection company?
The most important certifications depend on your industry. Common ones include ASNT Level III (NDT expert), API 510/570/653 (pressure equipment), ISO 17025 (lab accreditation), Nadcap NDT (aerospace), CWI (welding inspection). Use our certification filter to find suppliers that meet your specific quality requirements.
How much does it cost to work with a NDT inspection company?
Pricing varies based on several factors: NDT method required, number of test locations, accessibility of the inspection area, certification requirements, urgency and scheduling. The best approach is to request quotes from multiple qualified suppliers through our free RFQ system to compare pricing and lead times.
Can I request quotes from multiple NDT inspection companies at once?
Yes. Our multi-supplier RFQ system lets you select up to 10 NDT inspection companies and submit a single quote request. Each selected supplier receives your project details and can respond with a quote. This saves you time and helps you compare offers.
What is the typical lead time for NDT inspection companies?
Most NDT companies can mobilize field technicians within 1–5 business days. Turnaround and shutdown support may require advance scheduling of 2–4 weeks. Lab-based testing typically takes 3–7 business days.

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