Company lists · Data refreshed October 2026

Top 25 Fluorescent penetrant inspection (fpi) services worldwide

RevenueBase identified 437 company matches for fluorescent penetrant inspection (fpi) services worldwide as of October 2026 and tracks 3,981 professional contacts across them, including 536 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for fluorescent penetrant inspection (fpi) 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 October 25, 2026. Country and city lists for fluorescent penetrant inspection (fpi) 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 Oct 25, 2026 How this list was built
437Companies
3,981Contacts tracked
536Verified emails
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The 25 largest fluorescent penetrant inspection (fpi) services worldwide

Ranked by team size
Top 25 of 437 company matches for fluorescent penetrant inspection (fpi) services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 25, 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 matchMumbai, IndiaHQ recorded Oct 25, 2026501-1,000369 contacts →

Exact match

“We provide Third-Party Inspection, Conventional & Advanced Non-Destructive Testing (NDT) and Heat Treatment Services in Oil & Gas Sector, Flow Lines, Heavy Engineering, Onshore…”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
2Exact matchGlenview, IL, United StatesHQ recorded Oct 25, 2026201-500122 contacts →

Exact match

“Magnaflux is a global leader in nondestructive testing solutions.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
3Exact matchScott, LA, United StatesHQ recorded Oct 25, 2026201-50095 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
4Exact matchSão José Dos Campos, BrazilHQ recorded Oct 25, 202651-20085 contacts →

Exact match

“Metinjo is a Brazilian company, since 1974, which operates in the Special Processes (Surface Treatment) and Nondestructive Testing (NDT), meeting the most diverse segments…”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
5Exact matchMalaysiaHQ recorded Oct 25, 202651-20066 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
6Exact matchHouston, TX, United StatesHQ recorded Oct 25, 202651-20064 contacts →

Exact match

“Turnco provides Non-Destructive Testing to the Oil and Gas Industry.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
7Exact matchSandrigo, United StatesHQ recorded Oct 25, 202651-20058 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 · Oct 25, 2026 · View company records in RevenueBase
8Exact matchMaurepas, FranceHQ recorded Oct 25, 2026201-50049 contacts →

Exact match

“Contrôle par radiographie (RT), ressuage (PT), magnétoscopie (MT), ultrasons (UT), Courants de Foucault (ET), Métrologie dimensionnelle, Métrologie tridimensionnelle, Inspection.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
9Exact matchUnited StatesHQ recorded Oct 25, 202651-20040 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 · Oct 25, 2026 · View company records in RevenueBase
10Exact matchPendik, TürkiyeHQ recorded Oct 25, 202651-20039 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 · Oct 25, 2026 · View company records in RevenueBase
11Exact matchBangalore, IndiaHQ recorded Oct 25, 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 · Oct 25, 2026 · View company records in RevenueBase
12Exact matchCasa Grande, AZ, United StatesHQ recorded Oct 25, 202651-20036 contacts →

Exact match

“Established in the year 2005, ZChem Specialities came a long way to become a full Range NDT company in the areas of Liquid Penetrant Inspection (LPI) and Magnetic Particle…”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
13Exact matchStanton, CA, United StatesHQ recorded Oct 25, 202651-20035 contacts →

Exact match

“All Metals Processing of Orange County is an Aerospace Metal Finishing company based out of 8401 Standustrial St, Stanton, CA, United States.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
14Exact matchCalgary, AB, CanadaHQ recorded Oct 25, 202651-20029 contacts →

Exact match

“TriQuest Nondestructive Testing Corp.(TriQuest NDT) is a Nondestructive Testing (NDT) services company located in Calgary, Edmonton, Lloydminster and Fort McMurray, Alberta.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
15Exact matchUnited StatesHQ recorded Oct 25, 2026201-50027 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
16Exact matchBragança Paulista, BrazilHQ recorded Oct 25, 202611-5025 contacts →

Exact match

“A Metal-Chek é uma empresa 100% nacional, líder no mercado para ensaios não destrutíveis pelos métodos de Líquido Penetrante (LP) e Partículas Magnéticas (PM), utilizados na…”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
17Exact matchHelsinki, FinlandHQ recorded Oct 25, 202611-5024 contacts →

Exact match

“NDT-kustannukset kuriin!”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
18Exact matchEllesmere Port, United KingdomHQ recorded Oct 25, 202611-5024 contacts →

Exact match

“Inspection Consultants Ltd.(InCon) has been established for over 30 years and has a demonstrable track record of providing the full range of non-destructive testing services both…”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
19Exact matchPlaisir, FranceHQ recorded Oct 25, 202611-5024 contacts →

Exact match

“BABBCO was founded in 1952.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
20Exact matchLahti, FinlandHQ recorded Oct 25, 202611-5023 contacts →

Exact match

“Intelligent solutions for industrial parts cleaning and FPI inspection FinnSonic is an expert in ultrasonic cleaning and fluorescent penetrant inspection (FPI).”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
21Exact matchLa Porte, IN, United StatesHQ recorded Oct 25, 202651-20023 contacts →

Exact match

“J&L Dimensional Services "Relentless Precision/Unparalleled Quality" Co-owned by Lisa Corey & Larry Corey and located in La Porte, Indiana, J&L is WBENC-Certified Woman Owned and…”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
22Exact matchGreeley, CO, United StatesHQ recorded Oct 25, 202611-5019 contacts →

Exact match

“TRISPEC, LLC is an NDT company based out of Greeley, CO specializing in Ultrasonics and conventional inspection methods.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
23Exact matchUnited StatesHQ recorded Oct 25, 202611-5016 contacts →

Exact match

“Nondestructive testing organization specializing in high energy radiography utilizing film, computed radiography and digital radiography and high volume magnetic particle…”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
24Exact matchDettenheim, GermanyHQ recorded Oct 25, 202651-20016 contacts →

Exact match

“Seit über 30 Jahren stehen wir für höchste Qualität und Präzision in der zerstörungsfreien Prüfung.”

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
25Exact matchSanger, TX, United StatesHQ recorded Oct 25, 202611-5015 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase

Showing 25 of 437 fluorescent penetrant inspection (fpi) services worldwide

See the full list, filter by size, metro and specialty, and access 536 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Fluorescent penetrant inspection (fpi) services worldwide at a glance

As of Oct 25, 2026
13.5%Verified-email coverage
9.1Average contacts per company
11-50Median size (employees)
2.1%Largest-city concentration · Houston
Oct 25, 2026Page data refreshed

Companies by employee count

1-10
210
11-50
163
51-200
48
201-500
11
501-1,000
2
10001+
1

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 fluorescent penetrant inspection (fpi) services are linked below.
What qualifies
Company records worldwide whose business descriptions match “fluorescent penetrant inspection (fpi) 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 536 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 October 25, 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.

Fluorescent penetrant inspection (fpi) services by location

3 lists · largest first

Every Fluorescent penetrant inspection (fpi) 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 “fluorescent penetrant inspection (fpi) services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many fluorescent penetrant inspection (fpi) services are there worldwide?

RevenueBase identified 437 company matches for fluorescent penetrant inspection (fpi) services worldwide as of October 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?

Ixar Industrial X-Ray & Allied Radiographers I Pvt. LTD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most fluorescent penetrant inspection (fpi) services?

The United States leads with 88 companies, followed by the United Kingdom (27) and Canada (25). Every fluorescent penetrant inspection (fpi) services list by country and city is linked on this page.

Which city has the most fluorescent penetrant inspection (fpi) services?

Houston leads with 9 company records, followed by Pune (8) 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 536 professional contacts with verified work emails tracked across these 437 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 October 25, 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.