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

Staten Island, New York3.7(3)

Non-Destructive Eddy Current (EC), Ultrasonic Testing (UT), Magnetic Particle Testing (MT), Penetrant (PT) and Visual Inspection nationally since 1986.

+1 718-948-6226Website
Tulsa Inspection Resources, LLC

Tulsa Inspection Resources has proudly served the industry for over 20 years as the premier inspection and integrity management service provider. We are committed to building strong relationships with our customers, field technicians, support staff, partners, and suppliers. Our focus goes beyond delivering exceptional services � we are dedicated to training and upskilling our team to ensure they remain industry leaders. By combining expertise with continuous development, we help our customers safely sustain

(888) 278-8804Website
Baton Rouge, Louisiana4.5(8)

Turner Industries offers customized industrial specialty services, including hydroblasting, vacuum services, and chemical cleaning. Learn more today.

+1 800-818-5434Website
Magnolia, Texas5.0

TXNDT is the top choice for nondestructive testing methods and NDT consulting. Start a career as a NDT technician. Register for the TXNDT NDT Academy.

+1 281-231-0001Website
Carlsbad, New Mexico5.0(3)

U.S. Inspection & NDT provide non-destructive and visual testing services for construction, manufacturing, oil & gas, aviation & others.

(855) 885-5400Website
Fort Morgan, Colorado

Ultrasonic Guided Wave LLC. specializes in Long Range Ultrasonic (LRUT) non-destructive pipeline analysis.

+1 970-370-1589Website
Haverhill, Massachusetts4.0(3)

High-Performance Spray Coating Equipment for Fuel Cell, Medical, Semiconductor, Solar, and Electronics Assembly

+1 978-521-0095Website
West Valley City, Utah4.7(6)

Celebrating over 35 years of delivering reliable non-destructive testing services to companies all over the United States!

+1 801-487-0801Website
Charlotte, North Carolina

Proudly serves industrial clients throughout the Southeastern United States!

+1 704-618-7082Website
Walhalla, South Carolina5.0(2)

Explore Vermon NDT’s e-shop featuring phased array ultrasound probes designed for demanding applications across aerospace, nuclear, and petrochemical sectors.

+1 864-407-4112Website
Applied Technical Services, LLC

Versa Integrity Group offers a full range of inspection and maintenance repair services to industrial, refining, and chemical plants, offshore oil platforms, and other industries. Versa�s technologies include nondestructive evaluation (

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Applied Technical Services, LLC

About Us, Viet Technic Company Ltd was established and operation since 2004. We provides service relate to Quality of products such as Technical Consulting, NDT testing and Welding Inspection for Engineering industry complying with International Standards to our great client�s fields is Ship Building and Repair, Oil & Gas, Thermal Power Plant, Refinery,. . . Our service - Conventional NDT (RT,UT,MT,PT,VT,VI,...) - Advanced NDT - Marine Survey/UTM inspection - Welder/Welding Qualification - Indust

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Poway, California

Since 1990, Vitrek has provided innovative global solutions for high voltage test and measurement including electrical safety compliance testers, multi-point high voltage switching systems and graphical power analyzers. Vitrek's product portfolio also includes the XiTRON line of high-performance instruments including portable calibrators for thermocouple and millivolt DC calibration, ballast testers, LED illumination spectral analyzers, programmable DC electronic loads, phase-angle voltmeters and digital mi

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Chattanooga, Tennessee4.4(8)

Providing safe access scaffolds and non-destructive inspections for the residential, commercial, and industrial sectors since 1991.

+1 423-877-7799Website
Pittsburgh, Pennsylvania
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Cincinnati, Ohio

Join us for an opportunity to interact with users and thought leaders across the radiography industry solving the biggest challenges! We are energized by technology and excited to share that energy with you at our X-Ray, CT and Digital Forum 2022 powered by Waygate Technologies with the unveiling of our latest investment. We are constantly invigorated by the innovations of our customers and partners, challenging us to continue to push radiography technology forward to meet the everchanging demands. We

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Waxahachie, Texas5.0

WELD Inspection & Certification LLC count on us. cONTACT US

+1 469-309-7772Website

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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