2227 verified suppliers listed

Best Manufacturing NDT Inspection Companies

Manufacturing NDT encompasses the full range of in-process and final inspection services that support quality assurance in metal fabrication, casting, forging, and precision component manufacturing. From weld inspection during structural fabrication to ultrasonic inspection of forgings for internal discontinuities to final PT/MT inspection before shipment, manufacturing NDT companies operate within production schedules and quality management systems designed to prevent nonconforming product from reaching customers. ISO 9001–certified NDT providers are common in manufacturing supply chains, while specialized sectors (pressure equipment, aerospace components, defense hardware) require higher-tier certifications including PED compliance, ASME stamps, and Nadcap accreditation.

Why these suppliers?

  • Manufacturing NDT companies integrate into production quality plans, operating on production-pace schedules and providing in-process hold-point inspection with same-day results that keep fabrication moving.
  • ISO 9001–certified NDT providers bring documented quality management systems with calibrated equipment records, certified personnel documentation, and nonconformance tracking that satisfies supplier quality audit requirements.
  • Companies with multi-method capability (UT, RT, MT, PT, VT) can serve as a single-source NDT partner for fabricators, eliminating the coordination burden of managing multiple specialty inspection subcontractors.

180 verified suppliers found

Broussard, Louisiana4.0(4)

Contact Dynamic NDT, Inc. to schedule an inspection or heat treat service for your company or project in Florida Call us at 904-375-9074.

(337) 330-7086Website
Broussard, Louisiana5.0(5)

Eagle Inspection - NDT Services for the Oil & Gas, Civil, and Mining Sectors. Gulf of America Offshore NDT Services.

+1 337-837-4230Website
Chattanooga, Tennessee

Eagle Testing Company is located at 4015 Divine Avenue Chattanooga, Tennessee and was founded in 2004 by David Powell, Tami Powell and their two sons Matt and John. We have an 18,000 square foot industrial building which provides significant floor space for materials testing and houses our in-house radiography exposure booth and film/image processing facilities. Our services include non-destructive testing, mechanical testing and pre and post weld heat treatment. NDT services include industrial radiograp

Eastern Steel Manufacturing Co.,Ltd is a leading manufacturer and distributor of seamless steel pipe, welded steel pipe, OCTG products and fittings. We supply first-step processing, semi-finished parts and finished parts to help our clients meet fabrication requirements beyond their capacity or to improve operations by moving forward the pre-production processing. Email: sales@eastern-steels.com

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Marcell, Minnesota

Industry leading specialists in non-destructive eddy current inspection services for commercial and industrial chillers and heat exchangers.

+1 218-832-3162Website
Nanuet, New York

Welcome to EITC EITC is a special inspection agency providing inspection services for structural steel, which includes welding, high strength bolting and non-destructive testing of welds. EITC is nationally certified by the: New York & […]

+1 862-220-0788Website
El Paso, Texas5.0(1)

what we offer We have been Inspecting for over 25 years Welding Inspections Certified visual and on-site welding inspections that ensure code compliance, structural integrity, and quality workmanship at every stage of your project. Read More NDE Services Advanced non-destructive testing solutions to detect internal and surface defects without damaging materials Read More Pipeline Inspections […]

+1 512-573-0036Website
Allendale, Michigan4.6(9)

At Elite Pipeline, we focus on three main areas of expertise: CIPP cured in place pipe, pipeline rehabilitation and CCTV drain Inspections.

+1 616-726-8286Website
Rolling Meadows, Illinois

Specialized Non Destructive Testing of heat exchangers, boilers, piping, storage tanks and pressure vessels.

+1 331-703-4418Website

EPIC is a St. Louis based engineering & fabrication company providing pilot plant & production scale modular process plants & systems. Combine your process technology with EPIC�s modular process design/ build approach. We average 24% savings over traditional construction. We maximize speed of delivery while minimizing downtime with off-site parallel fabrication of process systems and on-site facilities preparation. Your modular process skids arrive fully assembled and tested with all utility systems pre-

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Vancouver, Washington5.0(2)

We offer NDT and CWI Training Classes. Specializing in Online and In-Person Instruction, and NDT Level III Representation. Located in Vancouver, WA.

+1 360-702-8858Website
Vancouver, Washington

We offer NDT and CWI Training Classes. Specializing in Online and In-Person Instruction, and NDT Level III Representation. Located in Vancouver, WA.

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Downers Grove, Illinois

Non-destructive Testing (NDT) has several disciplines. Fujifilm provides solutions for Digital Radiography, Conventional X-Ray, and Training Services. Contact us.

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Mountain View, California4.2(5)

Fusion Technology offers expert welding, brazing, & soldering services. Get training & AWS certified inspections. Contact us for mobile solutions.

+1 650-283-9105Website
Tryon, Oklahoma

Welding | Inspection | Consulting | Education We hope your year is starting off great!We look forward to another year with many great customers. Whether it is Inspections, Welding, or Training, we can exceed your needs.Check us out and see what we can offer your company. Qualifications We have years of experience in light, medium,...

+1 918-374-2223Website
Baton Rouge, Louisiana

Our Industries Served Include: Petrochemical & Refinery Fossil Power Nuclear Power Oil & Gas Aerospace Industrial Pulp Paper Infrastructure Above Ground Storage Tanks Fabrication Fix any potential risks before they occur With GIT Services, you can fix the problem areas on your construction site before they cause problems for your project or your team. The best methods and technology for your project With GIT, not only can you locate a defect, but you can also measure its size, shape, a

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Rowland Height, California

We Offer Third Party Inspection Services in the US., and have a global footprint with inspectors in China, India, Mexico and Vietnam. Acting as your eyes and ears, we ensure you receive exactly what you need. Inspection goods before delivery, rather than receipt, saves time, money and reduces potential impact. Click here to see details. Scope of Inspection Non Destructive Test: UT, PT, MT, RT, ECT, VT Mechanical Property Test Chemical Composition Test Welding Inspection Hydrostatic Test First Ar

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Frequently Asked Questions

What NDT methods are most common in metal fabrication and welding shops?
Visual testing (VT) by certified inspectors is the first line of quality assurance for all welds. Magnetic particle testing (MT) and liquid penetrant testing (PT) are standard for surface inspection of welds, heat-affected zones, and machined surfaces. Radiographic testing (RT) is commonly specified for pressure piping, pressure vessels, and structural welds requiring volumetric inspection. Ultrasonic testing (UT), including PAUT, is increasingly used where RT is impractical or where weld volumetric data is needed for code compliance and quality records.
What is a Certified Welding Inspector (CWI) and when is one required?
An AWS Certified Welding Inspector (CWI) is qualified to review welding procedures, evaluate welder performance qualifications, and perform visual inspection and documentation of welds. CWIs are required on many structural steel, pressure vessel, and pipeline projects — often by contract specification or by code (AWS D1.1, ASME Section IX). CWI qualification requires passing a three-part AWS examination covering fundamentals, practical application, and code knowledge. CWIs work closely with NDT technicians on fabrication projects but hold a distinct role focused on visual and procedural compliance rather than volumetric inspection.
How do I set up an NDT program for a new fabrication project?
Start with the governing code or standard specified in the project contract (ASME, AWS D1.1, API 650, etc.) and identify the required inspection categories, methods, and acceptance criteria. Develop a quality plan or inspection and test plan (ITP) that identifies inspection hold points, required method and level, documentation requirements, and release authority. Select an NDT company whose scope of certification covers all required methods. Establish the inspection cadence early — NDT integrated into the fabrication schedule avoids the bottleneck of end-of-project inspection that compresses schedules.

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