2227 verified suppliers listed

Best Marine & Offshore NDT Inspection Companies

Marine and offshore NDT inspection is a specialized discipline combining non-destructive testing expertise with the access techniques, safety protocols, and regulatory requirements of marine and subsea environments. Offshore NDT companies perform topside platform inspection using rope access (IRATA/SPRAT certified), subsea pipeline and riser inspection via ROV or commercial diving, and marine vessel hull and structural assessment under classification society requirements (ABS, DNV GL, Bureau Veritas, Lloyd's Register). These companies bridge the gap between conventional industrial NDT and the operational realities of offshore environments — tidal zones, confined spaces, remote locations, and the regulatory frameworks of USCG, BSEE, and international maritime organizations.

Why these suppliers?

  • Marine NDT companies with IRATA-certified rope access technicians can reach difficult-to-access offshore structures without scaffolding — reducing cost and mobilization time for inspection of platforms, wind turbines, bridges, and marine terminals.
  • Classification society–recognized inspection services provide survey documentation that satisfies flag state and port state requirements for commercial vessels, offshore units, and floating production facilities.
  • Subsea inspection capability — through ROV inspection or commercial diving NDT — is essential for assessing the integrity of jacket structures, pipeline risers, subsea manifolds, and seabed pipelines that cannot be accessed from surface.

250 verified suppliers found

Rolling Meadows, Illinois

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

+1 331-703-4418Website
Fort Lauderdale, Florida

Engineering & Inspections ULTD, Inc. (E&I) has been operating for over 40 years and is a certified WBE & DBE company. The company is separated into numerous divisions that specialize in a particular service or industry. The divisions are operated in a manner to provide our clients with the best possible service at competitive rates throughout the industry. With offices located throughout the U.S. and personnel throughout the world we are able to rapidly mobilize and support your projects. QUALITY ASSU

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Peachtree Corners, Georgia

Evolve NDT is a dynamic, growing, company that uses its collective experience to help clients with NDT testing programs.

+1 470-550-8574Website
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
Mineola, New York

Future Tech Consultants of New York, Inc. (FTC) is an A2LA accredited special inspections agency with his Headquarted in Mineola, New York. FTC provides Engineering, Special, and Progress Inspections to Owners and Owner Representatives throughout the Nation. Established in 1994, FTC is owned, managed and operated by professional engineers with experience of over 50 years. Our approach is to build long-term relationships with our clients. FTC has earned its reputation for professionalism, integrity, and r

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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
Houston, Texas5.0(8)

Global NDE Guru provides online NDT training, certification, education, inspection and NDT Level III consulting services across the field of non-destructive testing.

+1 877-237-2858Website
Odessa, Texas5.0(1)

Guardian NDT. Protecting the Future, Testing Today. Ensuring safety, quality, and reliability with advanced inspection solutions. Client Portal Core Values Culture Safety integrity Who We Are Welcome to Guardian NDT. At Guardian NDT , Our mission is to deliver top-tier Services through professionalism, safety, and integrity. We invest in training and leverage our extensive experience […]

+1 432-777-9729Website
Houston, Texas4.5(13)

Hellier has been providing Nondestructive Testing training and consulting services for over 40 years. With training centers located in Houston, TX, and Anaheim, CA, our staff of NDT professionals stand ready to address your NDT needs.

+1 281-873-0980Website
Farmington Hills, Michigan5.0(2)

Elevate quality control with ibg's Eddy Current Testing technology. Contact us to explore NDT solutions tailored to your needs. Explore now ▸

+1 248-478-9490Website
Norton Shores, Michigan4.9(17)

Engineering support services - Digital X-Ray, Industrial CT Scanning, Dye Penetrant, Mag Particle, UT, Eddy, 3D Scanning, Reverse Engineering

+1 231-246-8473Website
Kent, Washington4.5(4)

With facilities in Irving, San Antonio and Austin, IIA has a significant presence in Texas, with a reach that spans North America.

(253) 850-1208Website

Frequently Asked Questions

What certifications should an offshore NDT company have?
Look for IRATA (or SPRAT) rope access certification at the technician level for topside access, combined with NDT certifications at ASNT Level II minimum. For offshore oil and gas work on the U.S. OCS, BSEE familiarity and BOSIET/HUET safety training are standard requirements. Companies performing structural inspection for commercial vessels should be recognized by one or more major classification societies (ABS, DNV GL, Bureau Veritas, Lloyd's Register). For subsea pipeline work, Pipeline Operators Forum (POF) or ASME B31.4/B31.8 familiarity is valuable.
What NDT methods are used for offshore platform inspection?
Visual testing (VT) by certified inspectors is the primary method for general condition assessment and identifies areas requiring further examination. Magnetic particle testing (MT) and liquid penetrant testing (PT) are standard for surface crack detection on welds, stress concentration points, and areas of visible damage. Ultrasonic testing (UT) — including phased array and corrosion mapping — is used for wall thickness measurement and flaw characterization. Alternating current field measurement (ACFM) and eddy current testing (ET) are used for fatigue crack detection in weld toes and tubular joints without requiring full surface cleaning.
How do I find a subsea NDT company for pipeline inspection?
Subsea pipeline inspection typically requires either commercial diving NDT or ROV-deployed inspection systems for areas where diving is not practical. Look for companies with IVE (In-Service Inspection for Vessels) or pipeline-specific experience and classification society recognition. For flooded member detection (FMD) on jacket structures, specialist equipment is required. For internal pipeline inspection (smart pigging or corrosion logging tools), you'll need a different class of in-line inspection (ILI) vendor. Our directory includes marine inspection companies across these service categories — use the industry filter to narrow results.

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