Company lists · Data refreshed September 2026

Top 25 Rail nondestructive testing companies worldwide

Name: Rail nondestructive testing companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 1,206 companies tracked

RevenueBase identified 1,206 rail nondestructive testing companies worldwide as of September 2026 and tracks 17,101 professional contacts across them, including 4,307 with verified work emails and 0 with mobile numbers. The United States is the largest market and Houston the largest hub.

This list covers rail nondestructive testing companies worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 17, 2026. Country and city lists for rail nondestructive testing companies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 17, 2026 86% judged on-target in blind review

1,206Companies

17,101Contacts tracked

4,307Verified emails

0Mobile numbers

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The 25 largest rail nondestructive testing companies worldwide

Ranked by team size

Top 25 of 1,206 rail nondestructive testing companies worldwide, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to rail nondestructive testing companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Eddyfi Technologies	Partial evidence	Québec, QC, CanadaHQ checked Sep 17, 2026	1,001-5,000	490 contacts →
	Partial evidence “Headquartered in beautiful Québec, Canada, Eddyfi Technologies provides the highest performance Non-Destructive Testing (NDT) inspection technologies and robotic solutions in the…” Source: RevenueBase Database · checked Sep 17, 2026
2	Sperry Rail INC	Partial evidence	Shelton, CT, United StatesHQ checked Sep 17, 2026	501-1,000	412 contacts →
	Partial evidence “For nearly a century, Sperry Rail has been a pioneering force in advancing Rail Health®, ensuring the safety, reliability, and integrity of global rail infrastructure.” Source: RevenueBase Database · checked Sep 17, 2026
3	Waygate Technologies	Partial evidence	Hürth, GermanyHQ checked Sep 17, 2026	1,001-5,000	388 contacts →
	Partial evidence “Waygate Technologies, a Baker Hughes business, is an industrial inspection solutions company and the world leader in non-destructive testing (NDT).” Source: RevenueBase Database · checked Sep 17, 2026
4	Ixar Industrial X-Ray & Allied Radiographers I Pvt. LTD	Partial evidence	Mumbai, IndiaHQ checked Sep 17, 2026	501-1,000	359 contacts →
	Partial evidence “We provide Third-Party Inspection, Conventional & Advanced Non-Destructive Testing (NDT) and Heat Treatment Services in Oil & Gas Sector, Flow Lines, Heavy Engineering, Onshore…” Source: RevenueBase Database · checked Sep 17, 2026
5	Nvi, LLC Nondestructive Visual Inspection	Indirect evidence	Gray, LA, United StatesHQ checked Sep 17, 2026	201-500	340 contacts →
	Indirect evidence “NVI is a provider of industrial NDT solutions catering to companies with critical infrastructure needs.” Source: RevenueBase Database · checked Sep 17, 2026
6	Techcorr Usa, LLC	Indirect evidence	Pasadena, TX, United StatesHQ checked Sep 17, 2026	501-1,000	226 contacts →
	Indirect evidence “The TechCorr name is synonymous with safe, quality inspection services.” Source: RevenueBase Database · checked Sep 17, 2026
7	Pro-Surve Technical Services	Partial evidence	League City, TX, United StatesHQ checked Sep 17, 2026	201-500	213 contacts →
	Partial evidence “Pro-Surve Technical Services is an advanced non-destructive testing and inspection company.” Source: RevenueBase Database · checked Sep 17, 2026
8	Sonomatic Limited	Partial evidence	Aberdeen, United KingdomHQ checked Sep 17, 2026	201-500	207 contacts →
	Partial evidence “Sonomatic is a worldwide organisation that specialises in the design, development, and application of Non-Destructive Testing (NDT) inspections.” Source: RevenueBase Database · checked Sep 17, 2026
9	XCEL	Indirect evidence	Longview, TX, United StatesHQ checked Sep 17, 2026	201-500	170 contacts →
	Indirect evidence “XCEL is an industrial inspection company with a unique blend of services focused on your compliance needs.” Source: RevenueBase Database · checked Sep 17, 2026
10	UT Quality	Partial evidence	Katy, TX, United StatesHQ checked Sep 17, 2026	201-500	163 contacts →
	Partial evidence “UTQuality is a global industrial engineering company specializing in groundbreaking non-destructive testing services.” Source: RevenueBase Database · checked Sep 17, 2026
11	Vibrant NDT Services PVT LTD Official	Indirect evidence	Chennai, IndiaHQ checked Sep 17, 2026	201-500	155 contacts →
	Indirect evidence “Vibrant NDT Services is an adaptable NDT service provider, Leader in NDT with ISO 9001:2008 & ISO EIC 17025 certification, capable of addressing a variety of Non-Destructive…” Source: RevenueBase Database · checked Sep 17, 2026
12	Verispex	Indirect evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	201-500	151 contacts →
	Indirect evidence “About Us Cutting-edge technologies.” Source: RevenueBase Database · checked Sep 17, 2026
13	ZETEC	Strong evidence	Snoqualmie, WA, United StatesHQ checked Sep 17, 2026	51-200	146 contacts →
	Strong evidence “ZETEC is a global leader in nondestructive testing (NDT) solutions for the critical inspection needs of industries the world counts on, including - Power Generation - Oil and Gas…” Source: RevenueBase Database · checked Sep 17, 2026
14	JAN X-Ray Services, INC	Strong evidence	Parma, MI, United StatesHQ checked Sep 17, 2026	201-500	143 contacts →
	Strong evidence “JANX is a leader in nondestructive testing and inspection solutions with offices throughout the USA.” Source: RevenueBase Database · checked Sep 17, 2026
15	Stork Technical Services Australia PTY LTD	Indirect evidence	Perth, AustraliaHQ checked Sep 17, 2026	501-1,000	140 contacts →
	Indirect evidence “Enermech are one of Australia’s leading contractors, specialising in the provision of NDT, inspection, heat treatment, coatings, insulation, scaffolding, rope access, fireproofing…” Source: RevenueBase Database · checked Sep 17, 2026
16	Araújo Engenharia	Indirect evidence	Vinhedo, BrazilHQ checked Sep 17, 2026	51-200	135 contacts →
	Indirect evidence “Oferecemos soluções em inspeção e ensaios não destrutivos convencionais e não convencionais, e serviços metalúrgicos laboratoriais.” Source: RevenueBase Database · checked Sep 17, 2026
17	Can-Usa	Indirect evidence	Harvey, LA, United StatesHQ checked Sep 17, 2026	201-500	125 contacts →
	Indirect evidence “CAN USA provides NDT inspection, on-line maintenance and repair while maintaining an unsurpassed safety record.” Source: RevenueBase Database · checked Sep 17, 2026
18	IB NDT Engenharia DE Segurança Estrutural	Indirect evidence	Serra, BrazilHQ checked Sep 17, 2026	501-1,000	122 contacts →
	Indirect evidence “Estamos localizados em moderno centro de tecnologia de ensaios não destrutivos (CT-END) no município Serra/ES.” Source: RevenueBase Database · checked Sep 17, 2026
19	Speno Rail Maintenance Australia PTY LTD	Partial evidence	Perth Airport, AustraliaHQ checked Sep 17, 2026	201-500	118 contacts →
	Partial evidence “Speno Rail Maintenance Australia Pty Ltd (SRMA) specialise in Rail Maintenance, Technology, Diagnostics and Rectification.” Source: RevenueBase Database · checked Sep 17, 2026
20	Teneo Groupe	Indirect evidence	Brignais, FranceHQ checked Sep 17, 2026	201-500	118 contacts →
	Indirect evidence “Entreprise de contrôles et essais non destructifs” Source: RevenueBase Database · checked Sep 17, 2026
21	Magnaflux	Strong evidence	Glenview, IL, United StatesHQ checked Sep 17, 2026	201-500	115 contacts →
	Strong evidence “Magnaflux is a global leader in nondestructive testing solutions.” Source: RevenueBase Database · checked Sep 17, 2026
22	Nucleom	Indirect evidence	Québec, QC, CanadaHQ checked Sep 17, 2026	51-200	114 contacts →
	Indirect evidence “Nucleom is a leading Canadian company offering customized inspection solutions for various industries, including nuclear, petrochemical, pipeline, mining and more.” Source: RevenueBase Database · checked Sep 17, 2026
23	Gammatec NDT Supplies SOC LTD	Partial evidence	Vereeniging, South AfricaHQ checked Sep 17, 2026	51-200	110 contacts →
	Partial evidence “Gammatec NDT Supplies SOC Ltd is a company specialising in the manufacturing, marketing, sales and support for and to the Non-Destructive Testing industry.” Source: RevenueBase Database · checked Sep 17, 2026
24	Aegeus Inspection Solutions	Partial evidence	Houston, TX, United StatesHQ checked Sep 17, 2026	51-200	104 contacts →
	Partial evidence “Aegeus Inspection Solutions delivers conventional and advanced non-destructive testing, inspection, engineering, and staff augmentation solutions for the energy, defense, and…” Source: RevenueBase Database · checked Sep 17, 2026
25	Advanced Corrosion Technologies & Training, LLC	Indirect evidence	Sulphur, LA, United StatesHQ checked Sep 17, 2026	51-200	104 contacts →
	Indirect evidence “While corrosion is inevitable, dealing with it can be simple, thorough and effective – with the right kind of help!” Source: RevenueBase Database · checked Sep 17, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: rail nondestructive testing companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names rail nondestructive testing companies.
Partial evidence: Its own public description names part of rail nondestructive testing companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name rail nondestructive testing companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 1,206 rail nondestructive testing companies worldwide

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Rail nondestructive testing companies worldwide at a glance

As of Sep 17, 2026

25.2%Verified-email coverage

14.2Average contacts per company

11-50Median size (employees)

2.4%Largest-city concentration · Houston

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

524

11-50

465

51-200

156

201-500

501-1,000

1,001-5,000

10001+

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among rail nondestructive testing companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage: 10 countries, largest first: the United States, India, the United Kingdom, Brazil, Canada, Germany, Australia, Italy, France, South Africa. Country and city lists for rail nondestructive testing companies are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “rail nondestructive testing companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names rail nondestructive testing companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among rail nondestructive testing companies, and records with no verified work email.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every listed company carries at least one verified work email, 4,307 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 17, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Rail nondestructive testing companies by location

10 lists · largest first

Every Rail nondestructive testing companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names rail nondestructive testing companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many rail nondestructive testing companies are there worldwide?

RevenueBase identified 1,206 rail nondestructive testing companies worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Eddyfi Technologies, headquartered in Quebec, tops this list with the largest team on record.

Which country has the most rail nondestructive testing companies?

The United States leads with 365 companies, followed by India (204) and the United Kingdom (122). Every rail nondestructive testing companies list by country and city is linked on this page.

Which city has the most rail nondestructive testing companies?

Houston leads with 29 headquartered companies, followed by Chennai (25) and Mumbai (24).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 4,307 verified decision-maker contacts tracked across these 1,206 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 17, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.