Company lists · Data refreshed November 2026

Top 25 Telecommunications testing services worldwide

RevenueBase identified 1,566 company matches for telecommunications testing services worldwide as of November 2026 and tracks 55,396 professional contacts across them, including 14,814 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for telecommunications 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 telecommunications 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
1,566Companies
55,396Contacts tracked
14,814Verified emails
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The 25 largest telecommunications testing services worldwide

Ranked by team size
Top 25 of 1,566 company matches for telecommunications 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 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 matchCologne, GermanyHQ recorded Nov 6, 202610001+3,044 contacts →

Exact match

“Formel D is a global service provider for testing, inspection & certification.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact 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
5Exact 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
6Exact 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
7Exact matchStuttgart, GermanyHQ recorded Nov 6, 202610001+562 contacts →

Exact match

“Innovating safety and security by creating the intelligent testing solutions that contribute to making the digitalized and connected world a safer place.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchUmraniye, TürkiyeHQ recorded Nov 6, 202651-200388 contacts →

Exact match

“Gentel Telecommunication was founded in 2006, for developing work areas and work opinions in telecommunication industry with its strong background and experience over 30 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBarueri, BrazilHQ recorded Nov 6, 2026201-500382 contacts →

Exact match

“A MY Business é uma empresa prestadora de serviços para telecomunicações, que atua no segmento de engenharia celular e TI, especializada na avaliação de qualidade dos serviços…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchRecife, BrazilHQ recorded Nov 6, 2026201-500332 contacts →

Exact match

“A FITec é uma Instituição de Ciência e Tecnologia (ICT) que presta serviços de Pesquisa e Desenvolvimento (P&D), Consultoria & Engenharia e Serviços de Laboratório de Certificação.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchGurgaon, IndiaHQ recorded Nov 6, 2026201-500271 contacts →

Exact match

“Edge Telecom Pvt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchUnited StatesHQ recorded Nov 6, 202651-200254 contacts →

Exact match

“Founded in 1978, SE Laboratories is committed to providing the industry with quality test equipment calibration, repair, and preventative maintenance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchAkron, VA, United StatesHQ recorded Nov 6, 2026201-500238 contacts →

Exact match

“MGA is recognized worldwide as one of the leading independent providers of testing services and equipment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact 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
15Exact matchUnited StatesHQ recorded Nov 6, 2026501-1,000214 contacts →

Exact match

“Marquistech has expanded its development and test service to global markets.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchUnited StatesHQ recorded Nov 6, 2026n/a214 contacts →

Exact match

“http://tpiengineering.com/”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSaarbruecken, GermanyHQ recorded Nov 6, 2026201-500212 contacts →

Exact match

“The best of two worlds – CTC advanced GmbH and CETECOM GmbH merge to form cetecom advanced GmbH This merger creates a unified company from two leading suppliers in the field of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchTaiwanHQ recorded Nov 6, 20261,001-5,000201 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchFontenay-aux-roses, FranceHQ recorded Nov 6, 2026201-500197 contacts →

Exact match

“As a preferred partner in compliance for the marketing and promotion of your electrical and electronic products, LCIE Bureau Veritas supports you from the development phase…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchBaltimore, TX, United StatesHQ recorded Nov 6, 2026201-500195 contacts →

Exact match

“Eurofins Electrical & Electronics North America is a leading testing and certification laboratory, providing a unique array of testing services and accreditations for regulatory…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSijhih District, TaiwanHQ recorded Nov 6, 20261,001-5,000193 contacts →

Exact match

“Since its inception in 1986, Sporton International has been focusing on providing customers with professional product testing and certification services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchHsinchu, TaiwanHQ recorded Nov 6, 20261,001-5,000181 contacts →

Exact match

“Founded in 1994, iST began its business from IC circuit debugging and modification and gradually expanded its scope of operations, including Failure Analysis, Reliability…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchParis, FranceHQ recorded Nov 6, 2026501-1,000170 contacts →

Exact match

“SETELIA gives you access to its competences and the services of its expert teams in order to provide you with specialized solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchDhaka, BangladeshHQ recorded Nov 6, 2026201-500168 contacts →

Exact match

“Starlink is a Telecommunication servicing company providing full range of Telecommunication services like initial survey, installation, testing, commissioning, O&M in the field of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchBurton, IN, United StatesHQ recorded Nov 6, 2026501-1,000156 contacts →

Exact match

“Trialon is now Element!”

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

Showing 25 of 1,566 telecommunications testing services worldwide

See the full list, filter by size, metro and specialty, and access 14,814 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Telecommunications testing services worldwide at a glance

As of Nov 6, 2026
26.7%Verified-email coverage
35.4Average contacts per company
11-50Median size (employees)
0.8%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
614
11-50
554
51-200
242
201-500
86
501-1,000
22
1,001-5,000
25
5,001-10,000
2
10001+
5

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 telecommunications testing services are linked below.
What qualifies
Company records worldwide whose business descriptions match “telecommunications 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 14,814 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.

Telecommunications testing services by location

10 lists · largest first

Every Telecommunications 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 “telecommunications testing services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many telecommunications testing services are there worldwide?

RevenueBase identified 1,566 company matches for telecommunications 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?

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

Which country has the most telecommunications testing services?

The United States leads with 282 companies, followed by India (104) and Brazil (77). Every telecommunications testing services list by country and city is linked on this page.

Which city has the most telecommunications testing services?

Sao Paulo leads with 13 company records, followed by Madrid (11) and New Delhi (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 14,814 professional contacts with verified work emails tracked across these 1,566 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.