Company lists · Data refreshed November 2026

Top 25 Test leads suppliers worldwide

RevenueBase identified 799 company matches for test leads suppliers worldwide as of November 2026 and tracks 19,391 professional contacts across them, including 6,362 with verified work emails. India is the largest market and Bangalore the largest hub.

This list covers company matches for test leads suppliers 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 2, 2026. Country and city lists for test leads suppliers 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 2, 2026 How this list was built
799Companies
19,391Contacts tracked
6,362Verified emails
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The 25 largest test leads suppliers worldwide

Ranked by team size
Top 25 of 799 company matches for test leads suppliers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 2, 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 matchAustin, TX, United StatesHQ recorded Nov 2, 20265,001-10,0007,353 contacts →

Exact match

“In 2023, Emerson acquired NI and introduced its new Test & Measurement business group.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
2Exact matchDover, United KingdomHQ recorded Nov 2, 20261,001-5,0001,163 contacts →

Exact match

“Megger supports the people who keep essential services running.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
3Exact matchHouston, TX, United StatesHQ recorded Nov 2, 20261,001-5,000928 contacts →

Exact match

“Crawford Electric is more than a distributor.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
4Exact matchMaryland Heights, MO, United StatesHQ recorded Nov 2, 2026501-1,000666 contacts →

Exact match

“Electric Power Systems is an independent electrical testing & engineering organization.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
5Exact matchMarlborough, MA, United StatesHQ recorded Nov 2, 2026501-1,000654 contacts →

Exact match

“Doble is the world’s most trusted brand in electrical diagnostics.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
6Exact matchTaoyuan City, TaiwanHQ recorded Nov 2, 20261,001-5,000457 contacts →

Exact match

“Founded in 1984, Chroma ATE Inc.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
7Exact matchJohannesburg, South AfricaHQ recorded Nov 2, 20261,001-5,000136 contacts →

Exact match

“HellermannTyton is a global leader in its industry with world class sales, development and manufacturing operations based in 40 countries worldwide.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
8Exact matchTaiwanHQ recorded Nov 2, 2026501-1,000129 contacts →

Exact match

“Founded in 1975, the Good Will Instrument Co.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
9Exact matchSulz, FranceHQ recorded Nov 2, 202651-200113 contacts →

Exact match

“BAUR is the world market leader of testing and measurement technology.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
10Exact matchUeda, JapanHQ recorded Nov 2, 20261,001-5,000104 contacts →

Exact match

“Established in 1935, HIOKI E.E.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
11Exact matchFort Worth, TX, United StatesHQ recorded Nov 2, 2026201-500101 contacts →

Exact match

“For over 25 years, Sentinel-TDS, based in Dallas/Ft.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
12Exact matchBogota, ColombiaHQ recorded Nov 2, 202651-20090 contacts →

Exact match

“Somos solución integral en la ejecución de pruebas a sistemas eléctricos a cualquier nivel de tensión; Ofrecemos la ejecución de una amplia gama de pruebas eléctricas, soportados…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
13Exact matchBoukhalef, MoroccoHQ recorded Nov 2, 2026501-1,00084 contacts →

Exact match

“SIE est une entreprise qui produisent des équipements de tests, pour les différents câbleurs automobile, ils produisent des solutions sur mesures pour leur client.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
14Exact matchHorjul, SloveniaHQ recorded Nov 2, 2026201-50081 contacts →

Exact match

“Metrel was established in 1957 as a factory for the production of electrical measuring instruments and components for the domestic market and grew from there to become one of…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
15Exact matchPeterlee, United KingdomHQ recorded Nov 2, 202651-20081 contacts →

Exact match

“With over 75 years’ experience at the cutting edge of electrical safety testing, our expertise and innovations have produced a number of world firsts.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
16Exact matchBangalore, IndiaHQ recorded Nov 2, 202651-20080 contacts →

Exact match

“Taurus Powertronics Pvt Ltd was established in 1985 as a part of the Taurus group of companies, whose head office is in Bangalore, India.Taurus has established itself, over the…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
17Exact matchSte-anne-de-bellevue, QC, CanadaHQ recorded Nov 2, 202611-5077 contacts →

Exact match

“At ITM Instruments, we provide high-quality test and measurement solutions with a focus on safety, efficiency, and proper application.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
18Exact matchIstanbul, TürkiyeHQ recorded Nov 2, 202611-5077 contacts →

Exact match

“Marke Elektronik is a representative company focused on electrical test equipments and industrial electronic components since 1993.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
19Exact matchDenton, TX, United StatesHQ recorded Nov 2, 2026201-50076 contacts →

Exact match

“Headquartered in Denton, Texas, Group CBS has operations throughout the U.S.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
20Exact matchVista, CA, United StatesHQ recorded Nov 2, 202651-20070 contacts →

Exact match

“Tempo® Communications is a trusted name in the utility, communications, and irrigation industries, delivering a full suite of innovative, industry-leading test and measurement…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
21Exact matchElandsfontein, South AfricaHQ recorded Nov 2, 202651-20070 contacts →

Exact match

“Major Tech (Pty) Ltd was established in 1992, with a vision and mission of being the brand of choice, by consistently pushing the benchmark with innovative, high quality product…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
22Exact matchIrvine, CA, United StatesHQ recorded Nov 2, 202651-20066 contacts →

Exact match

“Founded in 1984, Chroma ATE, Inc.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
23Exact matchLidingö, SwedenHQ recorded Nov 2, 202651-20064 contacts →

Exact match

“IBEKO Power AB, with headquarters in Stockholm (Sweden) and best known through the brand ”DV Power”, has since developed radically light and ingenious test solutions for…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
24Exact matchPiracicaba, BrazilHQ recorded Nov 2, 202651-20063 contacts →

Exact match

“Empresa mais nova de um grupo familiar que atua na indústria eletrônica e também no varejo de máquinas e ferramentas há mais de 50 anos.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
25Exact matchLanham, MD, United StatesHQ recorded Nov 2, 2026201-50060 contacts →

Exact match

“ABM Electrical Power Solutions, LLC is an electrical power engineering, testing, and maintenance company based out of 4390 Parliament Pl, Lanham, Maryland, United States.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase

Showing 25 of 799 test leads suppliers worldwide

See the full list, filter by size, metro and specialty, and access 6,362 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Test leads suppliers worldwide at a glance

As of Nov 2, 2026
32.8%Verified-email coverage
24.3Average contacts per company
11-50Median size (employees)
2.6%Largest-city concentration · Bangalore
Nov 2, 2026Page data refreshed

Companies by employee count

1-10
316
11-50
312
51-200
111
201-500
31
501-1,000
13
1,001-5,000
10
5,001-10,000
2
10001+
2

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 test leads suppliers are linked below.
What qualifies
Company records worldwide whose business descriptions match “test leads suppliers” 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 6,362 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 2, 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.

Test leads suppliers by location

5 lists · largest first

Every Test leads suppliers 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 “test leads suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many test leads suppliers are there worldwide?

RevenueBase identified 799 company matches for test leads suppliers 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?

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

Which country has the most test leads suppliers?

India leads with 160 companies, followed by the United States (120) and the United Kingdom (46). Every test leads suppliers list by country and city is linked on this page.

Which city has the most test leads suppliers?

Bangalore leads with 21 company records, followed by Chennai (14) and Mumbai (11).

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 6,362 professional contacts with verified work emails tracked across these 799 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 2, 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.