Global Non-destructive Testing Market to Hit USD 31.9 Billion by 2034, Driven by Rising Safety and Quality Demands

The Non-destructive Testing (NDT) Market is poised for solid growth, rising from USD 15.5 Bn in 2023 to USD 31.9 Bn by 2034. This expansion, driven by a CAGR of 6.7% from 2024 to 2034, reflects increasing demand for advanced inspection technologies across industries such as oil & gas, aerospace, manufacturing, and power generation. As safety standards tighten and asset reliability becomes more critical, NDT solutions continue to gain momentum globally.

Surge in development of new products and rise in demand for inspection and health monitoring of concrete and steel structures are fueling the non-destructive testing industry growth. The main goal of non-destructive testing (NDT) is to assess the integrity, properties, or composition of a part or material in a way that does not impair its future usefulness.

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Non-destructive testing refers to a set of techniques used to evaluate the properties of materials, components, structures, or systems without causing any damage to the original part. Unlike destructive testing, which aims to find operational limits through tests such as fatigue and tensile tests, NDT focuses on assessing whether a manufactured product or an in-service item is suitable for its intended environment.

Market Segmentation

The NDT market is segmented based on various factors, including service type, sourcing type, application, industry vertical, and region.

By Service Type (Offering)

The Service segment consistently holds the largest market share, accounting for over 75% of revenue, largely due to the high upfront cost of NDT equipment and the complexity of its deployment, which encourages end-users to outsource operations.

Key Segments:
Inspection Services (Dominant): Includes field and shop inspections, dominating due to the continuous need for infrastructure maintenance and compliance.

Equipment: Includes NDT product sales and equipment rental.

Training & Certification: Driven by the need for a qualified workforce.

Calibration Services

Asset Integrity and Condition Monitoring (High Growth): A rapidly expanding segment driven by predictive maintenance strategies.

By Sourcing Type (Test Method/Technique)

This segmentation focuses on the different NDT methods employed:

Traditional NDT Methods (Dominant): Includes well-established techniques, holding a significant revenue share.
Examples: Visual Testing (VT), Magnetic Particle Testing (MT), Liquid Penetrant Testing (PT), Conventional Ultrasonic Testing (UT), and Radiographic Testing (RT).
Digital/Advanced NDT Methods (Fastest Growth): Projected to grow at the fastest CAGR.
Examples: Phased Array Ultrasonic Testing (PAUT), Digital Radiography (DR), Automated Ultrasonic Testing (AUT), Pulsed Eddy Current (PEC), and Acoustic Emission Testing (AET). Ultrasonic Testing (UT) in total (conventional and advanced) is the dominant technique, holding the largest market share (around 35-37%).
By Application (High-Growth Segments within NDT Methods)

Volumetric Inspection: Anticipated to hold a high market share (e.g., UT, RT for internal defects).
Surface Inspection: Projected to expand at the fastest CAGR (e.g., MT, PT, Eddy Current Testing for surface and near-surface defects).
By Industry Vertical

The demand for NDT is widespread across critical industries:

Industry Vertical

Market Share/Growth Trajectory

Key Drivers

Oil & Gas

Largest revenue share (around 31.9%) or second largest in 2024.

Aging refinery and pipeline assets, regulatory compliance, asset integrity management.

Manufacturing

Largest revenue share (around 22.9%) or second largest in 2024; projected for healthy growth.

Increasing global manufacturing volume, quality assurance, and high-volume production testing.

Aerospace & Defense

High growth, with a strong focus on advanced NDT for high-reliability components.

Stringent safety mandates, inspection of complex composite materials, and engine component integrity.

Power Generation

Healthy growth (e.g., CAGR of 9.8%) and a major driver.

Inspection of power grids, hydroelectric power plants, and ensuring the reliability of energy assets.

Automotive & Transportation

Projected to be among the fastest-growing segments.

Quality control in electric vehicles (EVs) for battery inspection, and chassis/weld integrity.

Construction & Infrastructure

Growing demand due to extensive infrastructure development and maintenance of aging structures (bridges, roads).


By Region

Region

Market Share/Growth Trajectory

Key Drivers

North America

Largest market share (around 36-37%) in 2024.

Early adoption of advanced NDT, stringent safety regulations, and focus on infrastructure maintenance.

Asia-Pacific (APAC)

Expected to exhibit the fastest CAGR.

Rapid industrialization, expansion of manufacturing, construction, and automotive sectors in countries like China and India, and increasing focus on safety standards.

Europe

Strong adoption of advanced NDT techniques and integrated service offerings.

Strict EU regulations (e.g., PED for pressure equipment), and significant investment in clean energy.

Middle East & Africa (MEA)

Steady growth, largely driven by the Oil & Gas industry (Saudi Arabia, UAE).

Focus on operational efficiency and safety in the energy sector.

Market Drivers and Challenges

Market Drivers

Stringent Regulatory Compliance and Safety Standards: Increasing global pressure and codes (e.g., ASME, API) necessitate regular, mandatory inspections to prevent catastrophic failures.

Aging Infrastructure: The rising number of aging assets in the oil & gas, power generation, and public infrastructure sectors demands frequent integrity checks.
Technological Advancements: Innovations such as Phased Array Ultrasonic Testing (PAUT), Digital Radiography, and the integration of AI/ML are enhancing accuracy and efficiency.

Shift to Predictive Maintenance: Industries are moving from reactive repairs to proactive, condition-based monitoring using NDT, minimizing downtime and costs.

Market Challenges

High Initial Investment Costs: The advanced NDT equipment (e.g., PAUT, digital radiography systems) requires a substantial upfront investment, posing a barrier for Small and Medium-sized Enterprises (SMEs).

Shortage of Skilled Workforce: A significant skills gap exists, as the adoption of new technologies demands a highly trained and certified NDT professional workforce.

Complexity of Modern Materials: The growing use of composites, advanced alloys, and 3D-printed parts necessitates specialized and often more expensive testing solutions.

Market Trends

Integration of Artificial Intelligence (AI) and Machine Learning (ML): AI is being used for automated data analysis and defect recognition, significantly reducing interpretation time and human error.

Automation and Robotics: The adoption of automated and robotic inspection systems, often incorporating drones, is increasing for inspecting assets in hazardous environments (e.g., offshore pipelines) and for large-scale operations.

Digital NDT Solutions and Industry 4.0: The NDT market is becoming an enabler of Industry 4.0, moving towards cloud-based solutions, real-time monitoring, and data sharing for centralized asset management.

Advanced Ultrasonic Techniques: The continued growth and adoption of techniques like Full Matrix Capture (FMC) and Total Focusing Method (TFM) are improving defect characterization.

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Future Outlook

The future of the NDT market is centered on digital transformation and sustainability. The focus will shift from discrete, event-based inspections to continuous, embedded monitoring processes. The strong growth in the service and equipment rental segments will continue as cost-effectiveness and flexibility remain key commercial advantages. Emerging applications in renewable energy (wind turbine blade inspection) and the Electric Vehicle (EV) industry (battery integrity testing) represent significant strategic growth opportunities.

Key Market Study Points

Study Point

Insight

Dominant Segment (Offering)

Services, due to high equipment cost and outsourcing trends.

Dominant Technique (Method)

Ultrasonic Testing (UT), including PAUT and TFM, for precision and widespread application.

Fastest Growing Region

Asia-Pacific (APAC), driven by industrialization and infrastructure.

Key Growth Driver

Stringent safety regulations and the urgent need to inspect and maintain aging infrastructure.

Competitive Landscape

The NDT market features a mix of global, regional, and local players, making the landscape highly competitive. Key strategies include strategic acquisitions, investment in R&D for advanced NDT technologies, and expansion of global service networks.

Key Players in the NDT Market:

SGS Société Générale de Surveillance SA (SGS SA)
Bureau Veritas
MISTRAS Group, Inc.
Olympus Corporation
Baker Hughes Company (Waygate Technologies)
Applus+
Intertek Group plc
General Electric (GE Inspection Technologies)
Zetec Inc.

Recent Developments

January 2025: TRIGO acquired Controreupe, a specialist in NDT, as part of a strategic plan to expand component testing and control solutions, particularly in the transportation industry.

June 2025: Previan Technologies, Inc. announced a strategic realignment to spin its two industrial technology businesses, Eddyfi Technologies and NDT Global, into independent entities, aiming to sharpen focus on advanced NDT instrumentation and integrity-management services.

November 2024: SGS completed the acquisition of MP Machinery and Testing, LLC (MPM), bolstering its specialization in the nuclear energy sector testing.

December 2023 / Early 2024: MISTRAS Group partnered with InnoveX to offer advanced digital twin solutions for the aerospace and defense industries, combining NDT expertise with digital asset management. Olympus also launched its new Vanta series of handheld XRF analyzers in January 2024, focusing on improved performance for elemental analysis in NDT applications.

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