Company lists · Data refreshed November 2026

Top 25 Fastener testing and inspection services worldwide

RevenueBase identified 436 company matches for fastener testing and inspection services worldwide as of November 2026 and tracks 3,502 professional contacts across them, including 666 with verified work emails. The United States is the largest market and Ludhiana the largest hub.

This list covers company matches for fastener testing and inspection 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 fastener testing and inspection 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
436Companies
3,502Contacts tracked
666Verified emails
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The 25 largest fastener testing and inspection services worldwide

Ranked by team size
Top 25 of 436 company matches for fastener testing and inspection 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 matchHouston, TX, United StatesHQ recorded Nov 6, 2026201-500164 contacts →

Exact match

“About Us Cutting-edge technologies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSouth Plainfield, NJ, United StatesHQ recorded Nov 6, 2026201-500122 contacts →

Exact match

“AEIS, LLC is a testing, inspection, and certification (TIC) agency that increases quality and safety outcomes for major infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchFaridabad, IndiaHQ recorded Nov 6, 202651-200111 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchTaoyuan City, TaiwanHQ recorded Nov 6, 2026501-1,00067 contacts →

Exact match

“NAFCO (National Aerospace Fasteners Cooperation) is an international company specializing in the design and manufacture of high value-added assembly components and solutions in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact 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
6Exact matchProvaglio D'iseo, ItalyHQ recorded Nov 6, 202651-20057 contacts →

Exact match

“AQM srl, con sede principale di circa a Provaglio d'Iseo, nasce nel 1982 per volontà di un gruppo d’aziende che, necessitando di una gamma completa di strumenti, servizi e…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchPortland, VT, United StatesHQ recorded Nov 6, 202651-20056 contacts →

Exact match

“For over 110 years, Portland Bolt has provided top-quality industrial and nonstandard fasteners, delivered on our customers’ schedules.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchElkhart, FL, United StatesHQ recorded Nov 6, 202611-5043 contacts →

Exact match

“Fasnap has been serving the industrial fastener industry for over 40 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchSão Carlos, BrazilHQ recorded Nov 6, 202611-5043 contacts →

Exact match

“O Laboratório CENIC, localizado em São Carlos-SP, foi criado em 2007 por uma equipe de engenheiros com mais de dez anos de experiência em ensaios mecânicos estáticos e de fadiga.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchHuthwaite, United KingdomHQ recorded Nov 6, 202651-20040 contacts →

Exact match

“Specialising in the design, engineering and manufacturing of fasteners and components, JET PRESS has been a supplier to industries since 1977.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact 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
12Exact matchAurora, IL, United StatesHQ recorded Nov 6, 202651-20039 contacts →

Exact match

“Valley Fastener Group is an ISO 9001-certified supplier of fasteners for America’s best-in-market manufacturers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSan Diego, CA, United StatesHQ recorded Nov 6, 202651-20036 contacts →

Exact match

“Our mission is to provide the highest industry standards through quality inspection & testing.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchAcharne, GreeceHQ recorded Nov 6, 202611-5034 contacts →

Exact match

“GATS Ltd.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchKungälv, SwedenHQ recorded Nov 6, 202611-5033 contacts →

Exact match

“Vi servar dig med alla typer av fästelement, infästningar och ingjutningsgods -allt från enkla förband med skruv, bult eller mutter till infästningar med gängade hylsor…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchWinnipeg, MB, CanadaHQ recorded Nov 6, 20261-1030 contacts →

Exact match

“AXIS Inspection Group has delivered trusted, high-quality inspection services since 2004.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchWixom, MI, United StatesHQ recorded Nov 6, 202651-20028 contacts →

Exact match

“Our staff of full time experienced inspectors offer the most expedient turnaround in the manufacturing world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchTamworth, United KingdomHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“Hydrajaws is the worldwide brand leader of portable pull testers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchGreendale, WI, United StatesHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“Established in 1939, we are one of the oldest and most experienced metallurgical testing laboratories in the United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchParamaribo, SurinameHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“Mines Services Suriname is one of the leading manufacturers of lifting accessories and tools, specializing in wire rope and polyester slings.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchAustraliaHQ recorded Nov 6, 202651-20022 contacts →

Exact match

“Metlabs Australia Pty Ltd was established in early 2010 to meet the growing demand for NDT throughout Western Australia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchBerea, OH, United StatesHQ recorded Nov 6, 202651-20021 contacts →

Exact match

“Fastener Industries Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchKeighley, United KingdomHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“Keighley Laboratories Ltd - Specialists in the Analysis, Consultancy and Testing of Metals Keighley Laboratories Limited has been operating since 1920.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBryne, NorwayHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“Mankind is creating increasingly larger and complexed fabrications.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchMackay, AustraliaHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“INDT Pty Ltd is a privately owned independent third party inspection and testing company that has been servicing the Manufacturing, Sugar and Mining industries since 2004.”

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

Showing 25 of 436 fastener testing and inspection services worldwide

See the full list, filter by size, metro and specialty, and access 666 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Fastener testing and inspection services worldwide at a glance

As of Nov 6, 2026
19.0%Verified-email coverage
8.0Average contacts per company
11-50Median size (employees)
1.6%Largest-city concentration · Ludhiana
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
194
11-50
161
51-200
62
201-500
13
501-1,000
3

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 fastener testing and inspection services are linked below.
What qualifies
Company records worldwide whose business descriptions match “fastener testing and inspection 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 666 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.

Fastener testing and inspection services by location

3 lists · largest first

Every Fastener testing and inspection 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 “fastener testing and inspection services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many fastener testing and inspection services are there worldwide?

RevenueBase identified 436 company matches for fastener testing and inspection 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?

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

Which country has the most fastener testing and inspection services?

The United States leads with 89 companies, followed by India (55) and the United Kingdom (34). Every fastener testing and inspection services list by country and city is linked on this page.

Which city has the most fastener testing and inspection services?

Ludhiana leads with 7 company records, followed by Mumbai (7) and Houston (6).

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 666 professional contacts with verified work emails tracked across these 436 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.