2227 verified suppliers listed

Best Oil & Gas NDT Inspection Companies

The oil and gas industry is the largest end market for non-destructive testing services in the United States, driven by mandatory in-service inspection requirements, risk-based inspection programs, and the safety consequences of inspection failures in facilities processing hazardous hydrocarbons. NDT companies serving oil and gas must hold API certifications (510, 570, 653, 1104), comply with OSHA PSM requirements for covered processes, and deploy technicians experienced in the specific corrosion mechanisms, damage modes, and access conditions of upstream, midstream, and downstream facilities. From offshore platform inspection to refinery turnarounds to pipeline integrity management programs, oil and gas NDT encompasses the full breadth of inspection technology and regulatory complexity.

Why these suppliers?

  • API certification (510, 570, 653, 1104) is the industry-recognized credential for oil and gas inspection — not just general ASNT certification. Verify that the company's inspectors hold current API certifications for the specific equipment types you need inspected.
  • Oil and gas NDT companies with established operator relationships have qualified and approved inspector rosters, safety management programs (contractor safety management/ISNetworld/Avetta), and documented experience with your type of facility.
  • Advanced UT methods (PAUT corrosion mapping, TOFD, AUT for pipelines) allow oil and gas NDT companies to deliver faster throughput with better fitness-for-service data than conventional inspection methods — critical for managing compressed turnaround windows.

107 verified suppliers found

Integrity Assessment Group provides integrity construction and technical service solutions for oil & gas, all under one roof. Working with IAG means that our clients get more than a service provider that delivers on time, and in budget�they get a trusted, reliable project partner. From planning phases to completion, we work in the most effective and efficient ways possible, proactively providing solutions that allow our clients to avoid costly failure and extended downtime.

Website
Sturbridge, Massachusetts5.0(1)

KaMac NDT is a manufacturers

+1 508-347-7790Website
Ardmore, Oklahoma

We provide scheduled and unscheduled aircraft maintenance support services for government-owned and military-operated turboprop and jet aircraft.

+1 580-260-5464Website
Gilbert, Arizona

BS Indiana Univeristy, API 510 Inspector #20977, American Welding Society CWI #04061601, UT level II and CFI Helicopter. Experience in inspecting UOP CCR Platformer unit and reactors during fabrication and insitu accesment during unit shut downs. 30+ years experience in builting/expanding and turn around work in oil refinery processes units around the world. UA journeyman Steam Pipefitter.

Waco, Texas

LoneStar NDE Innovations focuses on tech developments that add value to the Nondestructive inspection stakeholders. This is accomplished through innovative collaborative robot (cobot) NDI systems, portable/automated ultrasonic, eddy current, bond testing (resonance), and phased array ultrasonics equ

Website
Edgewood, Maryland5.0(3)

Authorized & Certified Boiler/Pressure Vessel & Structural Welding Inspectors

+1 410-676-9962Website
Elk Grove Village, Illinois4.6(25)

MIL delivers precision metal finishing, coating, and non-destructive testing services backed by 80 years of experience and extensive approved specifications.

+1 847-437-4488Website
Bryan, Texas3.5(4)

Helping With Your Industrial Radiography Needs NDE Solutions, LLC is a mid-size NDT company specializing in Radiographic Testing (RT).  We take pride in our ...

+1 979-778-8783Website
Houston, Texas5.0

NDTCS, An ISO Certified Comp., offers NDT Testing, training, NDT certification, auditing & NDT inspection, & Level III Consulting services in the field of NDT.

+1 832-237-2800Website
Brantford, Michigan4.6(10)

Discover reliable field and lab Non-Destructive Testing services in Grand Rapids with over 115 years of experience. Ensure integrity with cutting-edge techniques and certified personnel.

(519) 304-9199Website
Monterey, Tennessee

We provide comprehensive instruction!

+1 716-812-8165Website
Nashua, New Hampshire1.0(2)

NDT Systems provides ultrasonic test equipment to a broad range of industries. Our products are suitable to test a wide variety of materials.

+1 714-893-2438Website
South Windsor, Connecticut

NDT Technology, LLC, based in South Windsor, CT, USA, designs and manufactures advanced non-destructive wire rope inspection equipment for high-value and large-diameter ropes, delivering superior performance and innovation worldwide.

+1 860-651-7000Website
Colorado Springs, Colorado3.5(4)

Non Destructive testing inspections Company iUT, VT, MT, PT, PA testing services available, Training and Procedure revision

+1 719-250-0413Website

Frequently Asked Questions

What safety qualifications should an oil and gas NDT company have?
Beyond technical certifications, oil and gas NDT companies should hold current ISNetworld, Avetta (formerly Browz), or similar contractor safety management system pre-qualification. Individual technicians typically need OSHA 10 or OSHA 30 training, site-specific safety orientations, and H2S awareness training for upstream and midstream work. Many operators require TWIC cards for port or terminal access, and offshore platforms require BOSIET/HUET survival training. Process safety management (PSM) facility experience is also valuable for refinery and chemical plant work.
What is risk-based inspection (RBI) and how does NDT support it?
Risk-based inspection (RBI) is a systematic approach to prioritizing inspection resources based on the probability and consequence of failure — defined in API RP 580/581. RBI shifts inspection focus from fixed-interval programs to risk-driven schedules where high-consequence, high-likelihood equipment receives more frequent or thorough inspection. NDT companies support RBI programs by providing the quantitative inspection data (wall thickness, flaw dimensions, corrosion rates) that feeds into the RBI risk model. Companies experienced with RBI can help operators update damage factor estimates, fitness-for-service assessments, and inspection interval recommendations based on inspection findings.
How do I find an NDT company for upstream oil field inspection?
Upstream NDT — wellhead inspection, Christmas tree examination, production equipment assessment, produced water line monitoring — is distinct from downstream refinery inspection. Upstream companies should have experience with wellsite environments, H2S exposure risks, and the specific equipment configurations of oil field production. NACE corrosion certification is valuable for inspectors assessing corrosion damage in produced fluid systems. Look for companies with established oilfield service experience in your basin — Permian, Eagle Ford, Bakken, Marcellus — as regulatory environments and operator expectations vary by region.

Ready to get quotes?

Request a Quote