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

CGM CIGIEMME S.p.A. is an Italian company and one of the world leaders in manufacturing NDT equipment with a worldwide network covering over 30 countries. Since 1958, CGM has been offering a wide range of high-quality equipment and cutting edge solutions for Magnetic Particle inspection as well as for Liquid Penetrant testing. In the Magnetic Particle Inspection field, CGM designs and manufactures a wide variety of equipment, from small portable systems and all the way to in-line customized automatic one

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Anaheim, California

Turn to Code NDT, LLC for non-destructive testing. We inspect welding on various equipment for the oil and gas industry.

+1 562-424-0344Website
Ogden, Utah5.0(1)

We offer composites focused inspection methods like Ultrasound, Phased Array, Infrared, Laser Shearography and others, staying flexible to the needs of the application. Consulting services to help you meet your inspection and quality goals. With experience working with most methods and equipment retailers we help you navigate the world of NDT. Application support for those who only want help with a specific problem. We want to make sure you get only what you need. Equipment Sales with all the top brands

(801) 845-9857Website

Conco enables power plants, refineries and industrial production facilities to improve profitability, productivity and reliability through a uniquely integrated platform of products and services for condensers and heat exchangers. The Total Performance� platform incorporates patented technology-based cleaning, nondestructive testing and leak detection services that will improve energy output and decrease downtime for our customers, and is only available through Conco. TUBE CLEANING Conco created the wor

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Houston, Texas

Providing NDT Consulting, Sales, and Service putting Quality 1st!

+1 713-665-9973Website
Orange, California

Crest Inspection and Consulting offers top-notch ultrasonic testing services for accurate and reliable results.

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Auburn, Washington5.0(2)

Industry-trusted eddy current testing equipment for NDT inspection, helping manufacturers detect defects and maintain quality control.

+1 253-929-8800Website
Temecula, California5.0(1)

Davis Laboratories, Inc. provides nondestructive testing, including concrete x-ray, radar, coring, and radiography across California, Nevada, Utah, and Arizona.

+1 714-330-0154Website
North Chesterfield, Virginia5.0(1)

Dominion NDT Services is proud to be associated with ISNetworld Dominion NDT Services, Inc. Founded in 2006, Dominion NDT Services, Inc. is a registered SWaM and SAM business.  We are an independently owned Non-Destructive Testing company originating out of Richmond, VA. Our diverse team has over

+1 804-233-0256Website
Hesperia, Michigan5.0(1)

In today’s fast-paced manufacturing world, quality control is paramount. At Draper NDT, we’re dedicated to ensuring the integrity and safety of your products. As a leading nondestructive testing (NDT) provider, we utilize advanced techniques to inspect and assess materials without causing damage.

+1 231-301-0761Website
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

We are a solution company for NDT, Condition Monitoring, ROV, Drones and Engineering components. We work beyond passion and with commitment. We have solutions ranging from Sky, Surface and Sea. We can equip you with world-class technology from a global village. We can accommodate all your Inspections and maintenance needs. We are representing a few of renowned OEMs from Globe. Sonatest UK ViZaar Industrial Imaging Germany Laser Export Russia AUT Solutions USA SG NDT Canada GammaTec Oserix Elcom

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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

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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