Company lists · Data refreshed November 2026

Top 25 Telecommunications software companies worldwide

RevenueBase identified 2,672 company matches for telecommunications software companies worldwide as of November 2026 and tracks 132,697 professional contacts across them, including 29,727 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for telecommunications software 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 4, 2026. Country and city lists for telecommunications software 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 4, 2026 How this list was built
2,672Companies
132,697Contacts tracked
29,727Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest telecommunications software companies worldwide

Ranked by team size
Top 25 of 2,672 company matches for telecommunications software companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 4, 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 matchChesterfield, United StatesHQ recorded Nov 4, 202610001+40,946 contacts →

Exact match

“Who are we?”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
2Exact matchRio De Janeiro, BrazilHQ recorded Nov 4, 202610001+8,708 contacts →

Exact match

“A Serede é uma empresa prestadora de serviços de implantação e manutenção em redes de Telecom, fundada em 06 de agosto de 2007.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
3Exact matchSão Paulo, BrazilHQ recorded Nov 4, 202610001+5,504 contacts →

Exact match

“A Icomon atua há 37 anos com alta performance em tecnologia e telecomunicações.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
4Exact matchSan Jose, CA, United StatesHQ recorded Nov 4, 20261,001-5,0001,906 contacts →

Exact match

“Infinera is now part of Nokia.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
5Exact matchParis, FranceHQ recorded Nov 4, 20261,001-5,0001,852 contacts →

Exact match

“Camusat is one of the market leaders in the implementation of telecom infrastructures and one of the most experienced network developers.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
6Exact matchJakarta Pusat, IndonesiaHQ recorded Nov 4, 20261,001-5,0001,772 contacts →

Exact match

“Since its establishment in 1990, PT.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
7Exact matchMelbourne, PA, GermanyHQ recorded Nov 4, 20261,001-5,0001,562 contacts →

Exact match

“Hansen Technologies (ASX:HSN) is a global software and services provider to the energy, water/utilities and telecommunications industries.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
8Exact matchEspoo, FinlandHQ recorded Nov 4, 2026501-1,0001,291 contacts →

Exact match

“Headquartered in Finland, Tecnotree Corporation was founded in 1978 and is the leading provider of full-stack Digital BSS for CSPs and DSPs.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
9Exact matchBangalore, IndiaHQ recorded Nov 4, 20261,001-5,0001,223 contacts →

Exact match

“Huawei Technologies India is the largest overseas software development center of Huawei, a leading global information and communications technology (ICT) solutions provider.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
10Exact matchBaar, SwitzerlandHQ recorded Nov 4, 2026n/a870 contacts →

Exact match

“We are leading provider of telecom business intelligence and device management solutions.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
11Exact matchBandung, IndonesiaHQ recorded Nov 4, 2026501-1,000755 contacts →

Exact match

“Located in Bandung, West Java with 695 employees (on March 2009), PT INTI (Indonesian Telecommunication Industry) has involved in telecommunication business for 35 years.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
12Exact matchHelsinki, FinlandHQ recorded Nov 4, 2026501-1,000730 contacts →

Exact match

“Qvantel, established in 1995, is a leading provider of digital BSS and monetization software to the telecommunications and digital services industries.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
13Exact matchNova Bassano, BrazilHQ recorded Nov 4, 20261,001-5,000710 contacts →

Exact match

“A Empresa ALEA parceiro Vivo, esta no mercado desde 1990, prestando soluções em mobilidade de comunicação.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
14Exact matchStockholm, SwedenHQ recorded Nov 4, 2026501-1,000676 contacts →

Exact match

“Enea is a global specialist in advanced telecom and cybersecurity software, with a vision to make the world’s communications safer and more efficient.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
15Exact matchSt Petersburg, RussiaHQ recorded Nov 4, 20261,001-5,000608 contacts →

Exact match

“Nexign is an international BSS provider with 30+ years of experience operating across 14 countries.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
16Exact matchJakarta Selatan, IndonesiaHQ recorded Nov 4, 2026201-500536 contacts →

Exact match

“Dua Empat Tujuh, PT, or also known as Solusi247, is an integrated solution for Information Technology.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
17Exact matchOr Yehuda, IsraelHQ recorded Nov 4, 202651-200527 contacts →

Exact match

“FTS works with telecommunications, content and payment service providers globally to help them manage complex transactions and relationships with greater flexibility and greater…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
18Exact matchRiyadh, Saudi ArabiaHQ recorded Nov 4, 20261,001-5,000526 contacts →

Exact match

“Advanced Communications & Electronic Systems Company is a multi-faceted enterprise with a particular focus on developing and distributing total solutions in the area of…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
19Exact matchKota, IndiaHQ recorded Nov 4, 2026501-1,000459 contacts →

Exact match

“As an established player in telecom services industry and a long standing partner to a wide range of operators and vendors, NR fully understands the complete process of Planning…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
20Exact matchTehran, IranHQ recorded Nov 4, 2026501-1,000454 contacts →

Exact match

“BEHSA (Behpardaz Hamrah Samaneh Aval) Corp.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
21Exact matchChennai, IndiaHQ recorded Nov 4, 2026201-500441 contacts →

Exact match

“ExcelaCom Technologies is an independent software vendor, offering BSS/OSS solutions and services to Tier 1 to Tier 3 NGN communications players across multiple geographies.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
22Exact matchEsenler, TürkiyeHQ recorded Nov 4, 2026201-500428 contacts →

Exact match

“i2i Systems is an international information technology company that specializes in developing innovative ideas and solutions.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
23Exact matchAmman, JordanHQ recorded Nov 4, 2026201-500382 contacts →

Exact match

“ESKADENIA Software is committed to continuously enrich its product offerings and create advanced software products according to market demands.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
24Exact matchLondon, United KingdomHQ recorded Nov 4, 2026201-500381 contacts →

Exact match

“Cerillion is a leading provider of BSS/OSS software for the telecommunications industry, with over 25 years’ experience supporting mobile, fixed, cable and multi-service operators…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
25Exact matchTempe, AZ, United StatesHQ recorded Nov 4, 2026201-500356 contacts →

Exact match

“Innovation for the Last Mile® PCT International, Inc is at the forefront of an evolving industry with superior telecom solutions.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase

Showing 25 of 2,672 telecommunications software companies worldwide

See the full list, filter by size, metro and specialty, and access 29,727 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Telecommunications software companies worldwide at a glance

As of Nov 4, 2026
22.4%Verified-email coverage
49.7Average contacts per company
11-50Median size (employees)
1.6%Largest-city concentration · Sao Paulo
Nov 4, 2026Page data refreshed

Companies by employee count

1-10
897
11-50
1,039
51-200
461
201-500
151
501-1,000
49
1,001-5,000
32
5,001-10,000
7
10001+
13

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 software companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “telecommunications software 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 29,727 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 4, 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 software companies by location

20 lists · largest first

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

How many telecommunications software companies are there worldwide?

RevenueBase identified 2,672 company matches for telecommunications software 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?

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

Which country has the most telecommunications software companies?

The United States leads with 285 companies, followed by Brazil (202) and the United Kingdom (173). Every telecommunications software companies list by country and city is linked on this page.

Which city has the most telecommunications software companies?

Sao Paulo leads with 43 company records, followed by London (39) and Bangalore (22).

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 29,727 professional contacts with verified work emails tracked across these 2,672 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 4, 2026.

Ready to reach these companies? Verified emails and direct dials for all 2,672 telecommunications software companies worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.