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

Carlsbad, New Mexico4.3

Through the excellence of our people and products, we provide specialized technical services to assess quality, verify standards and specification compliance, improve the performance, and extend the life of materials and processes for industries worldwide.

+1 985-876-5559Website
Houston, Texas4.0(1)

Tier 1 Integrity LLC. is a Texas based company who services customers throughout the United States. We provide certified API inspections, tank inspections, coating inspections, non-destructive testing, engineering services and consulting. These solutions are offered to a wide variety of manufacturing facilities and fabrication shops to include: Refining, Power, Wind, Chemical, Pharmaceutical, and the midstream and upstream Oil and Gas industries.

+1 281-532-5750Website
North Hollywood, California3.6(9)

Pacific Magnetic and Penetrant Co., Inc. is a Non-Destructive Testing Facility for the Aerospace Industry.

+1 818-765-7266Website
Newcastle, Washington

Contact NDT X-Ray Solutions - Most advanced portable X-Ray solutions for NDT and Security Imaging. Made in USA.

+1 323-397-8254Website
Redmond, Washington5.0(14)

Most advanced NDT Radiography Equipment for NDT and Security Imaging. Made in USA. Designed for best customer experience.

+1 323-397-8254Website
Oklahoma City, Oklahoma

PAN-OP SERVICES Pan-Op, LLC offers a full suite of pipeline project solutions. Our goal is to provide a single point of contact for a client for all services rendered, including project management, right-of-way acquisition, and land surveying. Pan-Op, LLC offers complete survey solutions for pipeline

+1 318-518-2142Website

Peaco Support offers a complete one-stop solution for industrial automation electronics and equipment, such as AC motors, DC motors, transformers, sensors, inverters, clutches and brakes, linear actuators, etc. Why to choose us? Our engineers have rich experience and can provide perfect and professional pre-sales and after-sales service. Our products are of good quality, competitive, and we help customers save costs. We work 24*7 hours, can timely reply to customers on the product questions. Products

Website
Lafayette, Louisiana5.0(1)

Peak NDT Solutions is your source for NDT testing and inspections. We provide quality non-destructive testing services and training in Louisiana & Texas.

(337) 399-3353Website
Tioga, North Dakota

X-Ray, NDT, Inspection, Radiography, CWI Services

+1 724-301-8584Website
Howards Grove, Wisconsin

Pigeon River Weld Testing and Inspection provides quality weld testing, weld inspection, and consulting based on your needs.

+1 920-365-4133Website
Memphis, Tennessee

API 1184 and API 1169 applicants interested in exam preparation or Pipeline Inspector certification courses can contact VTES here. API 1169 and API 1184 exam questions are our specialty.

+1 505-404-7160Website
Alvin, Texas

PMI/NDE TESTING RENTAL EQUIPMENT CONSULTING SERVICES

Website
Navarre, Florida5.0(1)

Ensuring safety and quality through expert NDT solutions.

+1 856-220-4737Website
South Beloit, Illinois

After being in the metal joining industry for 38 years, Harry Flora, owner of Precision Welding and Inspection was first established in 2013.

+1 815-543-1222Website

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.

Ready to get quotes?

Request a Quote