Report Highlights

U.S. Non-Destructive Testing Services: Market Overview

The U.S. non-destructive testing (NDT) services market was valued at USD 6.8 billion in 2024 and is projected to reach USD 10.9 billion by 2032. Service delivery is split between independent third-party inspection firms, in-house laboratories operated by refiners and utilities, and original equipment manufacturers offering warranty inspections. Private providers dominate routine field work, while federal and state agencies write the technical standards that determine when and how inspections must occur.

Government has been the dominant force in setting demand where safety law is absolute, notably through PHMSA's pipeline integrity rules under 49 CFR Part 192 and the NRC's ASME Section XI inservice inspection requirements under 10 CFR 50.55a. The private sector leads where commercial risk, not statute, drives testing, including aerospace supply chains that follow FAA-approved repair station procedures under 14 CFR Part 145, and petrochemical turnarounds managed by plant operators. The result is a market in which regulation sets the calendar and private buyers set the price.

Policy-Driven Growth in U.S. Non-Destructive Testing Services

The Infrastructure Investment and Jobs Act of 2021 (Pub. L. 117-58) directs USD 27.5 billion through the Bridge Formula Program over five years, administered by the Federal Highway Administration. Each funded replacement or repair must comply with the National Bridge Inspection Standards in 23 CFR Part 650, which require routine inspection at intervals not exceeding 24 months. Because every funded structure triggers ultrasonic and magnetic particle testing of welds and fasteners, state departments of transportation now procure NDT services at volumes they previously contracted only for emergency repairs.

The Inflation Reduction Act of 2022 (Pub. L. 117-169) created the Section 45V clean hydrogen production credit, administered by the Internal Revenue Service, paying up to USD 3.00 per kilogram for low-emission hydrogen. Electrolyzers and storage vessels built to ASME Section VIII must undergo radiographic and ultrasonic examination before commissioning, generating first-time inspection volume. The PIPES Act of 2020 (Pub. L. 116-260) extends PHMSA leak detection and inline inspection mandates, expanding recurring pipeline testing budgets.

Regulatory Barriers and Compliance Costs

Radiographic testing faces the heaviest licensing burden. Under 10 CFR Part 34, industrial radiography licensees must maintain a radiation safety officer, calibrated survey instruments and written operating procedures, while most states, including Texas through the Department of State Health Services, operate as NRC Agreement States administering these licenses directly. Obtaining a new license typically takes several months, and annual fees, dosimetry programs and training refreshers add recurring costs that smaller providers struggle to absorb.

Personnel certification forms a second barrier. Part 145 repair stations must qualify NDT personnel under 14 CFR Part 145 requirements, commonly satisfied through the employer-based SNT-TC-1A program of the American Society for Nondestructive Testing, while aerospace primes often demand Nadcap accreditation administered by the Performance Review Institute. Nadcap audits typically cost tens of thousands of dollars per site per cycle, and approval delays of six to twelve months can leave newly qualified crews idle.

Policy-Created Opportunities in the U.S. Non-Destructive Testing Market

The Bridge Formula Program opens a procurement channel for portable ultrasonic phased-array and eddy current services. States must publish bridge inspection data through the National Bridge Inventory, and consultants that can deliver weld and fastener inspection within existing contract vehicles will capture work that previously went to emergency repair crews. Firms holding state prequalification lists, such as Acuren and Team Inc., are positioned to bid on multi-year task orders under federal-aid contracting rules.

Hydrogen infrastructure offers the second channel. Section 45V credits apply to projects that begin construction before January 1, 2033, so developers must commission pressure vessels, piping and storage spheres on compressed schedules. Radiographic and phased-array inspection of these vessels, performed under ASME Section VIII Division 1 and Division 2 rules, creates premium-priced work that Intertek and Bureau Veritas, as certified inspection bodies, can bid for during construction and at commissioning.

Market at a Glance

Leading Market Participants

• Mistras Group
• Team Inc.
• Acuren
• Intertek
• SGS
• Bureau Veritas
• Applus RTD
• Element Materials Technology
• Eddyfi Technologies
• Waygate Technologies

Regulatory and Policy Environment

The primary federal framework is the Pipeline Safety Act, codified at 49 U.S.C. Chapter 601 and implemented by the Pipeline and Hazardous Materials Safety Administration through 49 CFR Parts 192 and 195. Operators must maintain integrity management programs with documented reassessment intervals, while aviation NDT falls under 14 CFR Part 145 administered by the Federal Aviation Administration. Nuclear in-service inspection follows 10 CFR 50.55a, enforced by the Nuclear Regulatory Commission, and radioactive source licensing under 10 CFR Part 34 is enforced by the NRC or its state Agreement State counterparts.

Compared with regional peers, the U.S. model is more decentralized. Canada's CSA Z662 pipeline standard, enforced by the Canada Energy Regulator, prescribes inspection content more tightly, while the European Union's Pressure Equipment Directive 2014/68/EU relies on notified bodies and ISO 9712 third-party personnel certification. The U.S. instead depends on employer-based SNT-TC-1A certification, which lowers entry costs but produces uneven qualification standards. PHMSA rulemaking implementing PIPES Act 2020 mandates, scheduled for 2026, will narrow that gap for pipelines by tightening inspection scope and qualification requirements.

Long-Term Policy Outlook for U.S. Non-Destructive Testing Services

By 2032, PHMSA rulemakings implementing the PIPES Act 2020 are expected to extend integrity management requirements beyond transmission lines to gathering lines and hydrogen pipelines, widening the recurring inspection base. Operators will fund these programs through annual reassessment budgets, shifting NDT demand from project-based work toward long-term service contracts with Mistras Group, Acuren and Applus RTD.

The Bridge Formula Program's authorization runs through fiscal 2026, making congressional reauthorization the decisive policy event for bridge testing demand after that date. Market growth beyond 2030 therefore depends on whether Congress renews infrastructure funding at IIJA levels rather than on new mandates. Hydrogen vessel inspection volume will rise as 45V projects complete construction before the January 1, 2033 deadline, with commissioning NDT concentrated in Gulf Coast states.