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

State College, Pennsylvania

Sensor Networks, Inc. is a US-based IoT technology company specializing in installed ultrasonic sensor networks used to measure and monitor metal loss due to corrosion / erosion in industrial assets. We design and manufacture integrated systems for asset-condition monitoring using ultrasonic sensor arrays and a digital control and communication system architecture that supports handheld, wired and wireless data collection. Our product is highly modular and can be configured for many different installed-sens

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Odessa, Texas3.0(2)

Superior, Quality & Service Starts Here

+1 432-614-9920Website
Sanger, Texas5.0

Superior, Quality & Service Starts Here

+1 940-726-1107Website
Monroeville, Pennsylvania5.0(15)

Discover Steel City NDT, offering reliable non-destructive testing services for quality assurance in steel and metal industries.

+1 724-212-7322Website
San Antonio, Texas3.0(2)

Discover STS Aviation Group's extensive Aircraft MRO Services, offering nose-to-tail maintenance, repair, and overhaul solutions tailored to keep your fleet operational and efficient. Learn more today!

+1 844-266-3324Website
Anchorage, Alaska

"Welcome to SUBSEA NDT & Engineering, your partner in Advanced NDT solutions. We deliver precision inspection, innovative technology, and expert consulting to ensure asset integrity and safety across industries."

+1 401-308-3105Website
Anchorage, Alaska

SUBSEA NDT & Engineering delivers industry-leading Non-Destructive Testing (NDT) and asset integrity solutions. Specializing in advanced inspection services�including Phased Array Ultrasonic Testing, Digital Radiography, and Eddy Current Testing�we support critical industries in ensuring safety and compliance. Our innovative software, like the AI-powered MATRiX and automated RADiX systems, streamlines inspection data management for proactive maintenance. With custom engineering from our FABRiX department an

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Merrillville, Indiana4.7(16)

Summit NDE offers exceptional Nondestructive Examination services to our clients around the world. Call 219.213.3180.

+1 219-213-3180Website
Pineville, North Carolina

Plants can be complex, and have to keep them running. The team at SVI BREMCO can support your plant with custom-engineered solutions so you can keep your plant online by doing it right the first time.

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Angleton, Texas5.0(1)

TEAM, Inc. empowers greater safety, reliability and operational efficiency through technology-enabled asset integrity management and performance solutions.

(713) 948-9950Website
Kent, Washington5.0(2)

Composite Reference Standards Techna NDT is licensed by Boeing to produce the ST8871 composite reference standard used on the 787. We also sell the companion holder TEK-9012 and manufacture a number of other related items as well.

+1 253-872-2415Website
Oliver Springs, Tennessee

ASNT-certified NDT services & training in Tennessee. Leak testing, ultrasonic, mag particle, penetrant & cleanroom inspections. Call for a quote today.

+1 678-763-2787Website
Columbus, Ohio4.7(10)

ASNT is the global leader in nondestructive testing (NDT), providing certifications, education, and a strong membership network. Our members gain access to industry-leading resources, career opportunities, and professional development, equipping them to ensure the safety and reliability of critical systems and infrastructure. Join ASNT and be part of a community shaping the future of NDT.

+1 614-274-6003Website
Rocklin, California

DISTRIBUTOR OF TEST EQUIPMENT. SUPPLIER OF RF & EMC ENCLOSURES. ACCREDITED CALIBRATION LAB.

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West Chester Township, Ohio

TPAC offers cutting-edge ultrasonic non-destructive testing solutions to enhance safety and performance across various industries.

+1 513-785-0801Website

The Structures Company is a national recruiting and staffing firm specializing in the aerospace industry. Committed to a relationship-driven approach, our team combines best-in-class recruiting practices, innovative approaches and a consultative experience to deliver an exceptional experience to our clients and talent. Our company pays tribute to the first flight at Kitty Hawk on December 17th, 1903. Our Difference Expertise: We have deep roots in the aerospace industry. We speak the language, k

(888) 278-8804Website

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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