12197 verified suppliers listed

Best NDT Companies in Oklahoma

Oklahoma has been a center of the U.S. oil and gas industry for over a century, and its NDT market reflects that heritage. NDT companies in Oklahoma serve the SCOOP, STACK, and Anadarko basin upstream operations, the state's major refineries, and the extensive pipeline network connecting midcontinent production to Gulf Coast and Midwest markets. Oklahoma's proximity to the Texas petrochemical corridor means many NDT companies serve both markets. Tulsa — often called the "Oil Capital of the World" — is the hub of Oklahoma's NDT sector, with a high concentration of API-certified inspection companies, pipeline integrity service providers, and in-service inspection specialists. Companies here typically bring deep practical experience in wellsite environments, refinery turnarounds, and pipeline construction inspection.

Why these suppliers?

  • Oklahoma NDT companies serving the oil and gas sector have decades of API inspection experience across wellsite, midstream, and refinery environments — practical knowledge that goes beyond certifications alone.
  • Tulsa's concentration of pipeline integrity companies means Oklahoma-based providers have established qualified procedures for major pipeline operators' vendor qualification programs — reducing your qualification timeline.
  • Oklahoma's refinery NDT companies are practiced in API 510/570/653 inspection, turnaround coordination, and OSHA PSM compliance — the operational requirements of safe in-service inspection in process facilities.

164 verified suppliers found

Oklahoma City, Oklahoma4.5(2)

Welcome to TCMS. We

+1 405-688-4455Website
Durant, Oklahoma

9100 (9001:2015) certified. Certification body: TUV SUD America Inc.. Structure: Multi-Site.

Website
Tulsa, Oklahoma5.0(2)

We know you have plenty of choices when it comes to manufacturing, and we know trust comes from a job well done. Guaranteed quality. Flexible delivery.

+1 918-446-3581Website

Frequently Asked Questions

What pipeline NDT services are available in Oklahoma?
Oklahoma NDT companies offer the full range of pipeline integrity services: construction NDT (RT, AUT, PAUT for girth weld inspection under API 1104), in-line inspection (ILI/smart pigging program support and anomaly verification digs), corrosion survey and cathodic protection assessment, and hydrostatic testing support. Companies serving the SCOOP/STACK gathering systems also provide flowline inspection and wellsite equipment assessment. Tulsa-based pipeline NDT companies have qualified procedures accepted by major operators including Williams Companies, Enable Midstream (now Energy Transfer), and ONEOK.
What refinery NDT services are needed in Oklahoma?
Oklahoma's refineries (Phillips 66 in Ponca City, HollyFrontier in Tulsa, and others) require API 510/570/653 in-service inspection, turnaround NDT for weld inspection and equipment assessment, corrosion monitoring programs, fitness-for-service evaluations, and risk-based inspection (RBI) program support. Companies supporting Oklahoma refinery work should have established safety management pre-qualifications (ISNetworld) and experience with major operator HSE programs.
Are there NDT companies in Tulsa that serve multiple states?
Many Tulsa-based NDT companies operate regionally across Oklahoma, Texas, Kansas, and Arkansas — and some have a national footprint. Tulsa's central location and established oil and gas ecosystem make it a practical base for companies serving the midcontinent and Gulf Coast regions. When sourcing for projects outside Oklahoma, ask about the company's project experience, mobilization capability, and established vendor qualifications with the operators in your region.

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