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

Folsom, California5.0(4)

360 Pipes provides NASSCO-certified manhole and CCTV sewer inspections across California. Fast, dig-free service with Certified PACP reports. Free quote.

+1 833-360-7473Website
Broussard, Louisiana1.0(1)

Inspection Serviceswith proven techniques Accurate NDE & Inspection We are pleased to offer you a wide variety of inspection services. We have assembled a top-notch team with many years of combined experience and expertise to provide you with first-rate services. We would like to thank you for considering Accurate NDE & Inspection for your inspectionRead more

+1 337-839-1055Website
Tulsa, Oklahoma4.7(15)

Advanced NDT & Consulting is a full service NDT company providing inspections locally to one of our offices or nationwide at your location.

+1 918-500-1509Website
Eastlake, Ohio3.7(3)

Advanced Quality Group (AQG) is a non-destructive testing (NDT) facility providing inspection services to meet the Highest Industry Quality Standards.

+1 440-954-9404Website
Kent, Washington

Welcome to AEROFAB NDT Fully Equipped Machine Shop Precision Tooling 50+ Years Experience Parts Database Request A Quote Fully equipped machine shop In-house manufacturing ensures you receive the shortest lead times for your projects! 8649 South 212th Street Kent, Washington – USA 50+ years of experience Let our experts help you get the right tools […]

+1 253-395-8706Website
Las Vegas, Nevada5.0(1)

AES NDT Non Destructive Testing Services for the Petroleum, Chemical and Agricultural industries

(310) 953-9822Website
Renton, Washington

Alban NDE are based in Seattle, WA, USA and are top tier NDT Equipment supplier of ETher NDE Ltd, Baugh & Weedon Ltd and more in the US, Mexican and Canada. NDT equipment includes eddy current flaw detectors, probes, magnetic particle testing benches and MPI accessories.

+1 425-251-1986Website
Melville, New York

The workhorse of portable digital radiography for industrial x-ray inspections - ScanX Discover HR/HC computed radiography system.

+1 516-433-7676Website
Clermont, Florida5.0(11)

Alpha NDT Inc. is here for your Non-Destructive Inspection needs. Public Safety and Customer Satisfaction is our Main Goal. Specialize in Magnetic Particle, Liquid Penetrant, Eddy Current & Ultrasonic Inspections. Laboratory & On Site Mobile Services Offered.

+1 407-516-3563Website
Pasadena, Texas5.0(5)

INDUSTRIAL CLEANING HYDROBLASTING HIGH SPEED HYDROBLASTING SOLUTIONS WITH INTEGRATED OPTIONS, INCLUDING INSPECTION Learn More ENVIRONMENTAL SOLUTIONS WATER TREATMENT CUSTOM ENGINEERED SOLUTIONS TAILORED TO OUR CLIENT’S OPERATIONAL AND REGULATORY NEED Learn More AMERAPEX CORPORATION WHO WE ARE OUR MISSION IS TO ADVANCE OUR CLIENTS WITH INNOVATIVE ENGINEERING, TECHNOLOGY, AND INDUSTRIAL SERVICES About Us CULTURE OF ZERO […]

+1 713-986-8400Website
Los Angeles, California

The American Advanced Technical Academy (AATA) is a Los Angeles-based 501c3 nonprofit founded in April 2015. AATA’s mission is to empower Los Angeles women and men living below the poverty line and veterans with poor job prospects through free Nondestructive Testing (NDT) training. After completing

Website
Mansfield, Texas

AMS Level 3 provides Nondestructive Testing (NDT) consulting, training, and compliance solutions to aerospace, defense, energy, and manufacturing industries across the United States. Founded in 2004, AMS Level 3 has built a reputation for expert Level 3 services, Nadcap audit support, FAA/ISO compliance, and workforce training solutions. Our services include: � Level 3 Consulting � Procedure and work instruction development, exam preparation, retainer services, and internal/external audits. � NDT Tra

Website
Braselton, Georgia

Join thousands of people who own a premium domain. Affordable financing available.

+1 770-422-1349Website
Kansasville, Wisconsin5.0(1)

Onsite welding inspection and training programs tailored to your company's needs.

+1 262-620-5800Website

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