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

Alvin, Texas5.0

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Tanner, Alabama5.0(3)

Premier NDT Resources offers comprehensive non-destructive testing services. We are experts in NDT inspection, certification, program development and training.

+1 256-254-5464Website
Strasburg, Ohio3.0(2)

RAE Energy helps energy and industrial operators with the construction and integrity of pipeline and facility systems by providing nondestructive inspections and field-joint coating services. Visit our careers page for work opportunities.

+1 330-878-4122Website
Arden, North Carolina5.0(1)

Professional NDE Services 3975 Port Union Road Fairfield, Ohio

+1 828-676-1520Website
Fairfield, Ohio4.3

Professional NDE Services 3975 Port Union Road Fairfield, Ohio

+1 513-440-7633Website
Broussard, Louisiana5.0(1)

Pro-NDT offers advanced non-destructive testing services for the oil & gas, railroad, aerospace, manufacturing and marine industries.

+1 337-839-0705Website
Hollywood, Florida5.0(5)

LEADING THE WAY IN NON-DESTRUCTIVE TESTING (NDT) FOR ADDITIVE MANUFACTURING QC Labs has been at the forefront of NDT innovation since 1965 Learn More WE PROVIDE NDT LAB AND FIELD SERVICES WITH QUALITY YOU CAN COUNT ON LAB SERVICES FIELD SERVICES CONCRETE INSPECTION It’s time to prioritize saving lives by using NDT technologies to mitigate […]

+1 954-925-0499Website

QMI Technical Ltd., Co is a leading company in Ship repair and service in Vietnam.The board of directors has over 20 year experience in marine field. We have many expert engineers/technicians who possess the IRATA - approved Rope Access certificate, NDT certificate, UTM certificate, T-Bosiet certificate ..... to carry out corrosion control, NDT, UTM, lifting gear inspection, ship�s repair and maintenance... in many onshore, offshore projects.

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Tulsa, Oklahoma

Quality and NDT Solutions providing NDT services, NDT training, Level 3 support, AS9100 support and training. Tulsa Oklahoma, United States

(918) 895-1050Website
Maize, Kansas

Quality and NDT Solutions providing NDT services, NDT training, Level 3 support, AS9100 support and training. Tulsa Oklahoma, United States

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Applied Technical Services, LLC

Quoc Huy Technique Co Ltd (NDT Vietnam, NDT VN) with about 25 year experience are Authorized Distributor and trained to support Technical Services in Vietnam for about 20 Specialized equipment manufacturers in field of Inspection- Testing- Analysis- Metrology- Calibration for all industries. Especially in NDT field, we cover almost NDT techniques both on equipment supply & service supply. Strategy partners: -Everest/ GE IT: Video borescopes, Noi soi Cong nghiep -Krautkramer/ GE IT: Ultrasonic flaw dete

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Bristow, Oklahoma

Redhill NDT provides pipeline inspection and industrial inspection solutions, training, Level III services and consulting.

+1 918-807-2150Website
Oxnard, California

Accelerate your operations workflow with Regional NDT's Real-Time Availability process.

+1 805-399-4835Website
Omaha, Nebraska5.0(2)

Reliance Is the premier NDT vendor with a personal touch and professional service, relied on to do the right thing at the right time, every time. Reliance also: Develop procedures and compliance systems, portable ground penetrating radar, compliance audits and consulting, and welder/welding procedure qualification.

+1 402-297-4604Website

Engineering Consultancy Company providing the following services: 1. NDT Training And Qualification Services-Level-I & Level-II 2. Provide NDT Procedures for client requirement And Consultancy services 3. NDT Level-III Services 4. Supply of Qualified NDT Inspectors(Onshore&Offshore Projects) 5. Supply of QA/QC Engineers And Inspectors(Onshore&Offshore) 6. We conduct NDT Inspections onshore and offshore-Radiography,Ultrasonic Inspection,Magnetic Paticle Testing,Penetrant Testing,Hardness Testing,Pos

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Leadville, Colorado

RMNDT specializes in providing Nondestructive Testing services to the chair lift industry throughout the USA

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Rope Access Inspection, South Africa, is a Cape Town based company that delivers safe� cost effective solutions to difficult access & inspection problems. Confined Space Entry and Rescue Teams, as well as Marine Fire Fighters and Salvage teams

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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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