Company lists · Data refreshed November 2026

Top 25 Railroad ultrasonic testing services worldwide

RevenueBase identified 533 company matches for railroad ultrasonic testing services worldwide as of November 2026 and tracks 6,005 professional contacts across them, including 1,274 with verified work emails. The United States is the largest market and Chennai the largest hub.

This list covers company matches for railroad ultrasonic testing services worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for railroad ultrasonic testing services follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
533Companies
6,005Contacts tracked
1,274Verified emails
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The 25 largest railroad ultrasonic testing services worldwide

Ranked by team size
Top 25 of 533 company matches for railroad ultrasonic testing services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchShelton, CT, United StatesHQ recorded Nov 6, 2026501-1,000435 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchOak Creek, WI, United StatesHQ recorded Nov 6, 2026201-500225 contacts →

Exact match

“For 100 years, our company has provided the railroad industry with innovative products and services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchPasadena, CA, United StatesHQ recorded Nov 6, 2026201-500203 contacts →

Exact match

“We're Harbor Rail Services, the industry leader in running freight car inspections and repair.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchKaty, United StatesHQ recorded Nov 6, 2026201-500186 contacts →

Exact match

“UTQuality is a global industrial engineering company specializing in groundbreaking non-destructive testing services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchPasadena, TX, United StatesHQ recorded Nov 6, 2026501-1,000179 contacts →

Exact match

“The TechCorr name is synonymous with safe, quality inspection services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSnoqualmie, WA, United StatesHQ recorded Nov 6, 202651-200156 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchMeyrin, SwitzerlandHQ recorded Nov 6, 2026501-1,000140 contacts →

Exact match

“Speno International specialises in rail maintenance worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchPerth Airport, AustraliaHQ recorded Nov 6, 2026201-500129 contacts →

Exact match

“Speno Rail Maintenance Australia Pty Ltd (SRMA) specialise in Rail Maintenance, Technology, Diagnostics and Rectification.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchElmsford, NY, United StatesHQ recorded Nov 6, 202651-200104 contacts →

Exact match

“Magnetic Analysis Corporation has over 95 years of experience as a leader in non-destructive testing.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchScott, LA, United StatesHQ recorded Nov 6, 2026201-50097 contacts →

Exact match

“About: National Inspection Services is a full service Nondestructive Testing (NDT) company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchAshtabula, OH, United StatesHQ recorded Nov 6, 2026201-50074 contacts →

Exact match

“Delta Railroad Services is recognized as a premier railroad construction and equipment rental company serving the growing railroad infrastructure needs in the U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMalaysiaHQ recorded Nov 6, 202651-20073 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchNew Mexico, NM, United StatesHQ recorded Nov 6, 2026201-50065 contacts →

Exact match

“Pipeline inspection division of Legacy Safety & Consulting LLC.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSandrigo, United StatesHQ recorded Nov 6, 202651-20059 contacts →

Exact match

“Controlli non distruttivi, trattamenti termici, ispezione impianti, garanzia della qualità, controlli in quota con tecnica in corda, controlli avanzati TOFD e Phased Array…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchGeorgetown, TX, United StatesHQ recorded Nov 6, 2026501-1,00058 contacts →

Exact match

“Previously known as Georgetown Rail Equipment Company (GREX), Loram Technologies provides innovative solutions in track inspection, friction management, ballast profiling, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 202611-5055 contacts →

Exact match

“A VENTURA NTD concentra-se em soluções tecnológicas em Ultrassom, Inspeção e Ensaios não Destrutivos convencionais e avançados.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchUnited StatesHQ recorded Nov 6, 202651-20044 contacts →

Exact match

“Diamond G Inspection is a Texas Corporation, with current operations in the Houston area, Four Corners area of New Mexico (covering New Mexico, Arizona, Utah and Colorado), East…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchNoida, IndiaHQ recorded Nov 6, 2026201-50042 contacts →

Exact match

“More than two decades old company with a strong connection with clients and technology partners.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchPendik, TürkiyeHQ recorded Nov 6, 202651-20040 contacts →

Exact match

“İMKOSAN, Tahribatsız Muayene Hizmetleri (Radyografik Muayene, Phased Array & TOFD Muayenesi, Ultrasonik Muayene, Manyetik Parçacık Muayenesi, Sıvı Penetrant Muayenesi, Görsel…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchIndiaHQ recorded Nov 6, 202611-5040 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchBangalore, IndiaHQ recorded Nov 6, 202611-5038 contacts →

Exact match

“Since 2001, Trinity NDT WeldSolutions Private Limited, has been built on one belief: quality is not inspected in, it is engineered in.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchHyderabad, IndiaHQ recorded Nov 6, 202651-20037 contacts →

Exact match

“We are a leading manufacturer of ultrasonic rail testing equipment since 1996, predominantly supplying to Indian Railways.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchOsby, SwedenHQ recorded Nov 6, 202651-20036 contacts →

Exact match

“Goldschmidt Sweden AB is part of the Goldschmidt Group.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchOrange, CA, United StatesHQ recorded Nov 6, 202611-5036 contacts →

Exact match

“Zephyr Rail provides engineering services to support a variety of rail clients.* Track Design * Civil Engineering * Grade Crossing Design/PUC Permitting * Quiet Zones * 3rd Party…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchAhmedabad, IndiaHQ recorded Nov 6, 202651-20035 contacts →

Exact match

“ORGANIZATION MODSONIC is a leading Indian manufacturer, exporter and distributor of “Ultrasonic Testing Equipment”.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 533 railroad ultrasonic testing services worldwide

See the full list, filter by size, metro and specialty, and access 1,274 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Railroad ultrasonic testing services worldwide at a glance

As of Nov 6, 2026
21.2%Verified-email coverage
11.3Average contacts per company
11-50Median size (employees)
0.9%Largest-city concentration · Chennai
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
241
11-50
199
51-200
65
201-500
15
501-1,000
7

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for railroad ultrasonic testing services are linked below.
What qualifies
Company records worldwide whose business descriptions match “railroad ultrasonic testing services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 1,274 professional contacts with verified work emails across the full matched dataset. 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 November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Railroad ultrasonic testing services by location

3 lists · largest first

Every Railroad ultrasonic testing services 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 SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “railroad ultrasonic testing services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many railroad ultrasonic testing services are there worldwide?

RevenueBase identified 533 company matches for railroad ultrasonic testing services worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Sperry Rail INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most railroad ultrasonic testing services?

The United States leads with 115 companies, followed by the United Kingdom (39) and Germany (27). Every railroad ultrasonic testing services list by country and city is linked on this page.

Which city has the most railroad ultrasonic testing services?

Chennai leads with 5 company records, followed by Mumbai (5) and Broussard (4).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,274 professional contacts with verified work emails tracked across these 533 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 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 SmartSearch, 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.