Company lists · Data refreshed November 2026
Top 25 Telecom testing and diagnostics companies worldwide
RevenueBase identified 1,394 company matches for telecom testing and diagnostics companies worldwide as of November 2026 and tracks 61,484 professional contacts across them, including 16,163 with verified work emails. The United States is the largest market and Bangalore the largest hub.
This list covers company matches for telecom testing and diagnostics companies 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 and diagnostics companies 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.
The 25 largest telecom testing and diagnostics companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 | |||||
| 2 | 7,474 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 | |||||
| 3 | 1,772 contacts → | ||||
Exact match “Since its establishment in 1990, PT.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 1,639 contacts → | ||||
Exact match “FormFactor is a leading provider of essential test and measurement technologies along the full IC life cycle – from characterization, modeling, reliability, and design debug, to…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 1,483 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 | |||||
| 6 | 760 contacts → | ||||
Exact match “OFG is an international company with more than 20 years of experience in the telecommunications sector.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 681 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 | |||||
| 8 | 581 contacts → | ||||
Exact match “As of January 2026, Averna and Spherea joined forces to form the Spherea Group.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 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 | |||||
| 10 | 500 contacts → | ||||
Exact match “Spherea Group: A 60-Year Legacy Since 1965, the Spherea Group has built a strong legacy in test and quality solutions, rooted in the electronics activities of Aerospatiale, where…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 388 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 | |||||
| 12 | 382 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 | |||||
| 13 | 327 contacts → | ||||
Exact match “Polystar is a global leader in smart, data-driven assurance and automation for telecommunications operators.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 282 contacts → | ||||
Exact match “AEC (Access Endless Communication,+1400 employees روان ارتباط ) RNC Implementation and Commissioning ( MTN ) MTN Modernization & swap R5 & R9 ( MTN ) MW Expansion ( MTN ) FTK R5 &…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 271 contacts → | ||||
Exact match “Edge Telecom Pvt.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 263 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 | |||||
| 17 | 254 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 | |||||
| 18 | 238 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 | |||||
| 19 | 220 contacts → | ||||
Exact match “MicroNova offers software and systems for automotive testing, mobile radio network management, Industrial Internet of Things (IIoT), and IT and project management.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 216 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 | |||||
| 21 | 214 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 | |||||
| 22 | 214 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 | |||||
| 23 | 212 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 | |||||
| 24 | 201 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 197 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 | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “telecom testing and diagnostics companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 1,394 telecom testing and diagnostics companies worldwide
See the full list, filter by size, metro and specialty, and access 16,163 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Telecom testing and diagnostics companies worldwide at a glance
As of Nov 6, 2026Companies by employee count
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 and diagnostics companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “telecom testing and diagnostics companies” 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 16,163 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 and diagnostics companies by location
8 lists · largest firstEvery Telecom testing and diagnostics companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Telecom testing and diagnostics companies based in the United States265
- Telecom testing and diagnostics companies based in India99
- Telecom testing and diagnostics companies based in the United Kingdom75
- Telecom testing and diagnostics companies based in Brazil61
- Telecom testing and diagnostics companies based in Germany59
- Telecom testing and diagnostics companies based in France50
- Telecom testing and diagnostics companies based in Canada35
- Telecom testing and diagnostics companies based in Italy33
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 and diagnostics companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many telecom testing and diagnostics companies are there worldwide?
RevenueBase identified 1,394 company matches for telecom testing and diagnostics companies 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 and diagnostics companies?
The United States leads with 265 companies, followed by India (99) and the United Kingdom (75). Every telecom testing and diagnostics companies list by country and city is linked on this page.
Which city has the most telecom testing and diagnostics companies?
Bangalore leads with 16 company records, followed by London (15) and Sao Paulo (13).
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 16,163 professional contacts with verified work emails tracked across these 1,394 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.
Ready to reach these companies? Verified emails and direct dials for all 1,394 telecom testing and diagnostics companies worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 telecom testing and diagnostics companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,394 matching company records for telecom testing and diagnostics companies worldwide, with 61,484 tracked contacts and 16,163 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 telecom testing and diagnostics companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Keysight Technologieskeysight.comHQ: Santa Rosa, United StatesReported employees: 10001+ | Santa Rosa, United States | 10001+ | Exact match | 12,611 contacts → |
“Keysight empowers innovators to explore, design, and bring world-changing technologies to life.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  NI National Instrumentsni.comHQ: Austin, TX, United StatesReported employees: 5,001-10,000 | Austin, TX, United States | 5,001-10,000 | Exact match | 7,474 contacts → |
“In 2023, Emerson acquired NI and introduced its new Test & Measurement business group.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  PT Berca Hardayaperkasaberca.co.idHQ: Jakarta Pusat, IndonesiaReported employees: 1,001-5,000 | Jakarta Pusat, Indonesia | 1,001-5,000 | Exact match | 1,772 contacts → |
“Since its establishment in 1990, PT.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Formfactor INCformfactor.comHQ: Livermore, CA, United StatesReported employees: 1,001-5,000 | Livermore, CA, United States | 1,001-5,000 | Exact match | 1,639 contacts → |
“FormFactor is a leading provider of essential test and measurement technologies along the full IC life cycle – from characterization, modeling, reliability, and design debug, to…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  EXFOexfo.comHQ: Québec, TX, CanadaReported employees: 1,001-5,000 | Québec, TX, Canada | 1,001-5,000 | Exact match | 1,483 contacts → |
“EXFO develops smarter test, measurement and monitoring solutions for the global communications industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  OFGofg.esHQ: Córdoba, SpainReported employees: 1,001-5,000 | Córdoba, Spain | 1,001-5,000 | Exact match | 760 contacts → |
“OFG is an international company with more than 20 years of experience in the telecommunications sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  AEMaem.com.sgHQ: SingaporeReported employees: 1,001-5,000 | Singapore | 1,001-5,000 | Exact match | 681 contacts → |
“AEM is a global leader in test innovation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Avernaaverna.comHQ: Montreal, QC, CanadaReported employees: 1,001-5,000 | Montreal, QC, Canada | 1,001-5,000 | Exact match | 581 contacts → |
“As of January 2026, Averna and Spherea joined forces to form the Spherea Group.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Dekra Digital & Product Solutionsdekra.comHQ: Stuttgart, GermanyReported employees: 10001+ | Stuttgart, Germany | 10001+ | Exact match | 562 contacts → |
“Innovating safety and security by creating the intelligent testing solutions that contribute to making the digitalized and connected world a safer place.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Spherea Groupspherea.comHQ: Toulouse, FranceReported employees: 1,001-5,000 | Toulouse, France | 1,001-5,000 | Exact match | 500 contacts → |
“Spherea Group: A 60-Year Legacy Since 1965, the Spherea Group has built a strong legacy in test and quality solutions, rooted in the electronics activities of Aerospatiale, where…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Gentel Telekomünikasyon A.Şgentel.com.trHQ: Umraniye, TürkiyeReported employees: 51-200 | Umraniye, Türkiye | 51-200 | Exact match | 388 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  MY Business Ltdamyb.com.brHQ: Barueri, BrazilReported employees: 201-500 | Barueri, Brazil | 201-500 | Exact match | 382 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Polystar Elisa Industriqelisaindustriq.comHQ: Stockholm, SwedenReported employees: 201-500 | Stockholm, Sweden | 201-500 | Exact match | 327 contacts → |
“Polystar is a global leader in smart, data-driven assurance and automation for telecommunications operators.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  AECravanertebat.comHQ: Tehran, IranReported employees: 1,001-5,000 | Tehran, Iran | 1,001-5,000 | Exact match | 282 contacts → |
“AEC (Access Endless Communication,+1400 employees روان ارتباط ) RNC Implementation and Commissioning ( MTN ) MTN Modernization & swap R5 & R9 ( MTN ) MW Expansion ( MTN ) FTK R5 &…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Edge Telecom Pvt. LTDedgetelecom.inHQ: Gurgaon, IndiaReported employees: 201-500 | Gurgaon, India | 201-500 | Exact match | 271 contacts → |
“Edge Telecom Pvt.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  MPI Corporationmpi-corporation.comHQ: Zhubei, TaiwanReported employees: 1,001-5,000 | Zhubei, Taiwan | 1,001-5,000 | Exact match | 263 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  SE Laboratoriesselabs.comHQ: United StatesReported employees: 51-200 | United States | 51-200 | Exact match | 254 contacts → |
“Founded in 1978, SE Laboratories is committed to providing the industry with quality test equipment calibration, repair, and preventative maintenance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  MGA Research Corporationmgaresearch.comHQ: Akron, VA, United StatesReported employees: 201-500 | Akron, VA, United States | 201-500 | Exact match | 238 contacts → |
“MGA is recognized worldwide as one of the leading independent providers of testing services and equipment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Micronovamicronova.deHQ: Vierkirchen, GermanyReported employees: 201-500 | Vierkirchen, Germany | 201-500 | Exact match | 220 contacts → |
“MicroNova offers software and systems for automotive testing, mobile radio network management, Industrial Internet of Things (IIoT), and IT and project management.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Toshniwal Enterprises Controls Pvt. LTDtoshniwalcontrols.com HQ: IndiaReported employees: 201-500 | India | 201-500 | Exact match | 216 contacts → |
“T&M Solution Provider, No 1 in Telecom Services, Rental and Sales of T&M Equipments - FLEXIRENTAL programme.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Marquis Technologies Private Limitedmarquistech.comHQ: United StatesReported employees: 501-1,000 | United States | 501-1,000 | Exact match | 214 contacts → |
“Marquistech has expanded its development and test service to global markets.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Meritechmeritechsolutions.comHQ: Mohali, IndiaReported employees: 201-500 | Mohali, India | 201-500 | Exact match | 214 contacts → |
“Meritech is a global technology company delivering innovative solutions across Mobile Network Testing & Measurement, Network Optimization, IoT, AI, Cloud and Engineering Services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Cetecom Advancedcetecomadvanced.comHQ: Saarbruecken, GermanyReported employees: 201-500 | Saarbruecken, Germany | 201-500 | Exact match | 212 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  京元電子股份有限公司kyec.com.twHQ: TaiwanReported employees: 1,001-5,000 | Taiwan | 1,001-5,000 | Exact match | 201 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 |  Lcie Bureau Veritaslcie.frHQ: Fontenay-aux-roses, FranceReported employees: 201-500 | Fontenay-aux-roses, France | 201-500 | Exact match | 197 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,394 company matches
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Telecom testing and diagnostics companies: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,379 records in the displayed employee bands.
15 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,394 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Telecom testing and diagnostics companies by location
8 lists · largest firstEvery Telecom testing and diagnostics companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Telecom testing and diagnostics companies based in the United States265
- Telecom testing and diagnostics companies based in India99
- Telecom testing and diagnostics companies based in the United Kingdom75
- Telecom testing and diagnostics companies based in Brazil61
- Telecom testing and diagnostics companies based in Germany59
- Telecom testing and diagnostics companies based in France50
- Telecom testing and diagnostics companies based in Canada35
- Telecom testing and diagnostics companies based in Italy33
Questions about this company list
What does Exact match mean for telecom testing and diagnostics companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many telecom testing and diagnostics companies did RevenueBase find worldwide?
The saved snapshot records 1,394 matching company records, 61,484 tracked contacts and 16,163 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 telecom testing and diagnostics companies worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/telecom-testing-and-diagnostics-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 telecom testing and diagnostics companies worldwide
RevenueBase records 1,394 matching company records for telecom testing and diagnostics companies worldwide, with 61,484 tracked contacts and 16,163 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 telecom testing and diagnostics companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Keysight Technologieskeysight.com HQ: Santa Rosa, United StatesReported employees: 10001+ | Santa Rosa, United States | 10001+ | Exact match | 12,611 contacts → |
“Keysight empowers innovators to explore, design, and bring world-changing technologies to life.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | NI National Instrumentsni.com HQ: Austin, TX, United StatesReported employees: 5,001-10,000 | Austin, TX, United States | 5,001-10,000 | Exact match | 7,474 contacts → |
“In 2023, Emerson acquired NI and introduced its new Test & Measurement business group.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | PT Berca Hardayaperkasaberca.co.id HQ: Jakarta Pusat, IndonesiaReported employees: 1,001-5,000 | Jakarta Pusat, Indonesia | 1,001-5,000 | Exact match | 1,772 contacts → |
“Since its establishment in 1990, PT.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Formfactor INCformfactor.com HQ: Livermore, CA, United StatesReported employees: 1,001-5,000 | Livermore, CA, United States | 1,001-5,000 | Exact match | 1,639 contacts → |
“FormFactor is a leading provider of essential test and measurement technologies along the full IC life cycle – from characterization, modeling, reliability, and design debug, to…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | EXFOexfo.com HQ: Québec, TX, CanadaReported employees: 1,001-5,000 | Québec, TX, Canada | 1,001-5,000 | Exact match | 1,483 contacts → |
“EXFO develops smarter test, measurement and monitoring solutions for the global communications industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | OFGofg.es HQ: Córdoba, SpainReported employees: 1,001-5,000 | Córdoba, Spain | 1,001-5,000 | Exact match | 760 contacts → |
“OFG is an international company with more than 20 years of experience in the telecommunications sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | AEMaem.com.sg HQ: SingaporeReported employees: 1,001-5,000 | Singapore | 1,001-5,000 | Exact match | 681 contacts → |
“AEM is a global leader in test innovation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Avernaaverna.com HQ: Montreal, QC, CanadaReported employees: 1,001-5,000 | Montreal, QC, Canada | 1,001-5,000 | Exact match | 581 contacts → |
“As of January 2026, Averna and Spherea joined forces to form the Spherea Group.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Dekra Digital & Product Solutionsdekra.com HQ: Stuttgart, GermanyReported employees: 10001+ | Stuttgart, Germany | 10001+ | Exact match | 562 contacts → |
“Innovating safety and security by creating the intelligent testing solutions that contribute to making the digitalized and connected world a safer place.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Spherea Groupspherea.com HQ: Toulouse, FranceReported employees: 1,001-5,000 | Toulouse, France | 1,001-5,000 | Exact match | 500 contacts → |
“Spherea Group: A 60-Year Legacy Since 1965, the Spherea Group has built a strong legacy in test and quality solutions, rooted in the electronics activities of Aerospatiale, where…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Gentel Telekomünikasyon A.Şgentel.com.tr HQ: Umraniye, TürkiyeReported employees: 51-200 | Umraniye, Türkiye | 51-200 | Exact match | 388 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | MY Business Ltdamyb.com.br HQ: Barueri, BrazilReported employees: 201-500 | Barueri, Brazil | 201-500 | Exact match | 382 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Polystar Elisa Industriqelisaindustriq.com HQ: Stockholm, SwedenReported employees: 201-500 | Stockholm, Sweden | 201-500 | Exact match | 327 contacts → |
“Polystar is a global leader in smart, data-driven assurance and automation for telecommunications operators.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | AECravanertebat.com HQ: Tehran, IranReported employees: 1,001-5,000 | Tehran, Iran | 1,001-5,000 | Exact match | 282 contacts → |
“AEC (Access Endless Communication,+1400 employees روان ارتباط ) RNC Implementation and Commissioning ( MTN ) MTN Modernization & swap R5 & R9 ( MTN ) MW Expansion ( MTN ) FTK R5 &…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Edge Telecom Pvt. LTDedgetelecom.in HQ: Gurgaon, IndiaReported employees: 201-500 | Gurgaon, India | 201-500 | Exact match | 271 contacts → |
“Edge Telecom Pvt.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | MPI Corporationmpi-corporation.com HQ: Zhubei, TaiwanReported employees: 1,001-5,000 | Zhubei, Taiwan | 1,001-5,000 | Exact match | 263 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | SE Laboratoriesselabs.com HQ: United StatesReported employees: 51-200 | United States | 51-200 | Exact match | 254 contacts → |
“Founded in 1978, SE Laboratories is committed to providing the industry with quality test equipment calibration, repair, and preventative maintenance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | MGA Research Corporationmgaresearch.com HQ: Akron, VA, United StatesReported employees: 201-500 | Akron, VA, United States | 201-500 | Exact match | 238 contacts → |
“MGA is recognized worldwide as one of the leading independent providers of testing services and equipment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Micronovamicronova.de HQ: Vierkirchen, GermanyReported employees: 201-500 | Vierkirchen, Germany | 201-500 | Exact match | 220 contacts → |
“MicroNova offers software and systems for automotive testing, mobile radio network management, Industrial Internet of Things (IIoT), and IT and project management.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Toshniwal Enterprises Controls Pvt. LTDtoshniwalcontrols.com HQ: IndiaReported employees: 201-500 | India | 201-500 | Exact match | 216 contacts → |
“T&M Solution Provider, No 1 in Telecom Services, Rental and Sales of T&M Equipments - FLEXIRENTAL programme.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Marquis Technologies Private Limitedmarquistech.com HQ: United StatesReported employees: 501-1,000 | United States | 501-1,000 | Exact match | 214 contacts → |
“Marquistech has expanded its development and test service to global markets.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Meritechmeritechsolutions.com HQ: Mohali, IndiaReported employees: 201-500 | Mohali, India | 201-500 | Exact match | 214 contacts → |
“Meritech is a global technology company delivering innovative solutions across Mobile Network Testing & Measurement, Network Optimization, IoT, AI, Cloud and Engineering Services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Cetecom Advancedcetecomadvanced.com HQ: Saarbruecken, GermanyReported employees: 201-500 | Saarbruecken, Germany | 201-500 | Exact match | 212 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | 京元電子股份有限公司kyec.com.tw HQ: TaiwanReported employees: 1,001-5,000 | Taiwan | 1,001-5,000 | Exact match | 201 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | Lcie Bureau Veritaslcie.fr HQ: Fontenay-aux-roses, FranceReported employees: 201-500 | Fontenay-aux-roses, France | 201-500 | Exact match | 197 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Telecom testing and diagnostics companies: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,379 records in the displayed employee bands.
15 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,394 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Telecom testing and diagnostics companies by location
8 lists · largest firstEvery Telecom testing and diagnostics companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Telecom testing and diagnostics companies based in the United States265
- Telecom testing and diagnostics companies based in India99
- Telecom testing and diagnostics companies based in the United Kingdom75
- Telecom testing and diagnostics companies based in Brazil61
- Telecom testing and diagnostics companies based in Germany59
- Telecom testing and diagnostics companies based in France50
- Telecom testing and diagnostics companies based in Canada35
- Telecom testing and diagnostics companies based in Italy33
Questions about this company list
What does Exact match mean for telecom testing and diagnostics companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many telecom testing and diagnostics companies did RevenueBase find worldwide?
The saved snapshot records 1,394 matching company records, 61,484 tracked contacts and 16,163 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 telecom testing and diagnostics companies worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/telecom-testing-and-diagnostics-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗