Company lists · Data refreshed November 2026

Top 25 Telecom testing equipment manufacturers worldwide

RevenueBase identified 1,263 company matches for telecom testing equipment manufacturers worldwide as of November 2026 and tracks 52,841 professional contacts across them, including 14,166 with verified work emails. The United States is the largest market and Bangalore the largest hub.

This list covers company matches for telecom testing equipment manufacturers 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 telecom testing equipment manufacturers 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
1,263Companies
52,841Contacts tracked
14,166Verified emails
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The 25 largest telecom testing equipment manufacturers worldwide

Ranked by team size
Top 25 of 1,263 company matches for telecom testing equipment manufacturers 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 matchSanta Rosa, United StatesHQ recorded Nov 6, 202610001+12,611 contacts →

Exact match

“Keysight empowers innovators to explore, design, and bring world-changing technologies to life.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchAustin, TX, United StatesHQ recorded Nov 6, 20265,001-10,0007,474 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026n/a4,904 contacts →

Exact match

“GAO Tek is a member of GAO Group of Companies, headquartered in New York City, USA & Toronto, Canada with a strong global presence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchBeaverton, OR, United StatesHQ recorded Nov 6, 20261,001-5,0003,680 contacts →

Exact match

“We design and manufacture test and measurement solutions to break through the walls of complexity and accelerate global innovation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchJakarta Pusat, IndonesiaHQ recorded Nov 6, 20261,001-5,0001,772 contacts →

Exact match

“Since its establishment in 1990, PT.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchAtsugi-shi, JapanHQ recorded Nov 6, 20261,001-5,0001,522 contacts →

Exact match

“Since 1895 Anritsu has been leading the way as a pioneer in information communications equipment, contributing to the evolution and development of communications technologies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchQuébec, TX, CanadaHQ recorded Nov 6, 20261,001-5,0001,483 contacts →

Exact match

“EXFO develops smarter test, measurement and monitoring solutions for the global communications industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSingaporeHQ recorded Nov 6, 20261,001-5,000681 contacts →

Exact match

“AEM is a global leader in test innovation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchTaoyuan City, TaiwanHQ recorded Nov 6, 20261,001-5,000555 contacts →

Exact match

“Founded in 1984, Chroma ATE Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchChestnut Ridge, NY, United StatesHQ recorded Nov 6, 2026201-500504 contacts →

Exact match

“Teledyne LeCroy is a leading manufacturer of advanced oscilloscopes, protocol analyzers, and other test instruments that verify performance, validate compliance, and debug complex…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchZhubei, TaiwanHQ recorded Nov 6, 20261,001-5,000263 contacts →

Exact match

“Founded in 1995 and headquartered in Hsinchu, Taiwan, MPI Corporation is a global technology leader in test and measurement solutions spanning the full integrated-circuit…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchIndiaHQ recorded Nov 6, 2026201-500216 contacts →

Exact match

“T&M Solution Provider, No 1 in Telecom Services, Rental and Sales of T&M Equipments - FLEXIRENTAL programme.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchMohali, IndiaHQ recorded Nov 6, 2026201-500214 contacts →

Exact match

“Meritech is a global technology company delivering innovative solutions across Mobile Network Testing & Measurement, Network Optimization, IoT, AI, Cloud and Engineering Services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBayan Lepas, MalaysiaHQ recorded Nov 6, 202651-200200 contacts →

Exact match

“Aemulus’ core expertise is in the design, engineering, and development of automated test equipment (ATE), and test and measurement instruments.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchEaton Socon, United KingdomHQ recorded Nov 6, 202651-200166 contacts →

Exact match

“Pico Technology is a leading global manufacturer of PC-based oscilloscopes, Test and Measurement solutions for engineers and Automotive Diagnostic technicians.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchBeaverton, OR, United StatesHQ recorded Nov 6, 20261,001-5,000161 contacts →

Exact match

“Cascade Microtech, Inc, was acquired by FormFactor in 2016.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchLinlithgow, United StatesHQ recorded Nov 6, 202651-200155 contacts →

Exact match

“Calnex Solutions designs, produces and markets test instrumentation and solutions for network synchronization and network emulation, enabling our customers to validate the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchPetah-tikva, IsraelHQ recorded Nov 6, 202651-200147 contacts →

Exact match

“RDT Equipment & Systems is an Israeli leading supplier of solutions and services for a wide range of professional industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchUnited StatesHQ recorded Nov 6, 20265,001-10,000144 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchMontclair, CA, TaiwanHQ recorded Nov 6, 2026501-1,000131 contacts →

Exact match

“50 Years of Precision in Test & Measurement: Driving Innovation with Engineers Founded in Taiwan in 1975, GW Instek has dedicated over 50 years to the test and measurement field.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchZoetermeer, NetherlandsHQ recorded Nov 6, 202611-50122 contacts →

Exact match

“C.N.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchIndiaHQ recorded Nov 6, 202651-200119 contacts →

Exact match

“GL Communications Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchFerndale, WA, United StatesHQ recorded Nov 6, 202651-200114 contacts →

Exact match

“Candela Technologies provides test equipment to aid in the testing of network equipment and applications.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchSydney, AustraliaHQ recorded Nov 6, 202651-200112 contacts →

Exact match

“John Morris Scientific Pty Ltd was founded in 1952 by John Wyzenbeek.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSao Paulo, BrazilHQ recorded Nov 6, 202611-50111 contacts →

Exact match

“A ARSITEC É uma empresa 100% brasileira, com atuação voltada para o segmento de telecomunicações.”

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

Showing 25 of 1,263 telecom testing equipment manufacturers worldwide

See the full list, filter by size, metro and specialty, and access 14,166 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Telecom testing equipment manufacturers worldwide at a glance

As of Nov 6, 2026
26.8%Verified-email coverage
41.8Average contacts per company
11-50Median size (employees)
2.1%Largest-city concentration · Bangalore
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
454
11-50
478
51-200
185
201-500
66
501-1,000
24
1,001-5,000
32
5,001-10,000
3
10001+
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 telecom testing equipment manufacturers are linked below.
What qualifies
Company records worldwide whose business descriptions match “telecom testing equipment manufacturers” 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 14,166 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.

Telecom testing equipment manufacturers by location

9 lists · largest first

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

Countries

Cities

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 “telecom testing equipment manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many telecom testing equipment manufacturers are there worldwide?

RevenueBase identified 1,263 company matches for telecom testing equipment manufacturers 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?

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

Which country has the most telecom testing equipment manufacturers?

The United States leads with 189 companies, followed by India (152) and the United Kingdom (61). Every telecom testing equipment manufacturers list by country and city is linked on this page.

Which city has the most telecom testing equipment manufacturers?

Bangalore leads with 26 company records, followed by Shenzhen (19) and Sao Paulo (17).

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 14,166 professional contacts with verified work emails tracked across these 1,263 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.