Company lists · Data refreshed September 2026

Top 25 Telecom software integration firms worldwide

Name: Telecom software integration firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 9,934 companies tracked

RevenueBase identified 9,934 company matches for telecom software integration firms worldwide as of September 2026 and tracks 245,825 professional contacts across them, including 58,121 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for telecom software integration firms 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 September 29, 2026. Country and city lists for telecom software integration firms 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 Sep 29, 2026 How this list was built

9,934Companies

245,825Contacts tracked

58,121Verified emails

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The 25 largest telecom software integration firms worldwide

Ranked by team size

Top 25 of 9,934 company matches for telecom software integration firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Amdocs	Exact match	Chesterfield, MO, United StatesHQ recorded Sep 29, 2026	10001+	39,863 contacts →
	Exact match “Who are we?” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2	Serede	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 29, 2026	10001+	8,011 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 · Sep 29, 2026 · View company records in RevenueBase
3	CSG	Exact match	Englewood, CO, United StatesHQ recorded Sep 29, 2026	5,001-10,000	5,874 contacts →
	Exact match “CSG is a leader in innovative customer engagement, revenue management and payments solutions that make ordinary customer experiences extraordinary.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4	Icomon Tecnologia Ltda	Exact match	São Paulo, BrazilHQ recorded Sep 29, 2026	10001+	4,895 contacts →
	Exact match “A Icomon atua há 37 anos com alta performance em tecnologia e telecomunicações.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5	Tata Communications Transformation Services Tcts	Exact match	Mumbai, IndiaHQ recorded Sep 29, 2026	1,001-5,000	4,599 contacts →
	Exact match “Tata Communications Transformation Services (TCTS), a 100% subsidiary of Tata Communications Ltd, provides business transformation, managed network operations, network…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6	Spread Tecnologia	Exact match	São Paulo, BrazilHQ recorded Sep 29, 2026	1,001-5,000	2,521 contacts →
	Exact match “With over 30 years of experience in Information and Communication Technology market, the Spread has extensive experience and expertise in the field and has the challenge of…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7	IES Communications	Exact match	Tempe, AZ, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,800 contacts →
	Exact match “IES Communications a division of IES (NASDAQ: IESC) provides each client with a team of highly qualified dedicated professionals that deliver superior quality and cost effective…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8	Radisys	Exact match	Hillsboro, OR, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,742 contacts →
	Exact match “Radisys is a proven, global leader in open telecom solutions and services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9	Sofrecom Tunisie	Exact match	Tunis, TunisiaHQ recorded Sep 29, 2026	1,001-5,000	1,397 contacts →
	Exact match “Sofrecom, filiale du groupe France Télécom - Orange, a développé depuis plus de 45 ans un savoir-faire unique dans les métiers de l’opérateur, qui en fait aujourd’hui l’un des…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10	Italtel	Exact match	Milan, GermanyHQ recorded Sep 29, 2026	1,001-5,000	1,279 contacts →
	Exact match “We help our customers to choose the most suitable solutions for the characteristics of their business, to develop the traditional communication technologies they already have in…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11	Tecnotree Corporation	Exact match	Espoo, FinlandHQ recorded Sep 29, 2026	501-1,000	1,226 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 · Sep 29, 2026 · View company records in RevenueBase
12	Huawei Technologies India	Exact match	Bengaluru, IndiaHQ recorded Sep 29, 2026	1,001-5,000	1,187 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 · Sep 29, 2026 · View company records in RevenueBase
13	Vedang Cellular Services Pvt. LTD	Exact match	Mumbai, IndiaHQ recorded Sep 29, 2026	1,001-5,000	1,137 contacts →
	Exact match “Vedang Cellular Services - A Bluspring Enterprise is India’s leading master system integrator enabling large-scale telecom and digital infrastructure across 22 circles covering…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14	CCI Systems	Exact match	Iron Mountain, MI, United StatesHQ recorded Sep 29, 2026	1,001-5,000	1,077 contacts →
	Exact match “CCI Systems is an employee-owned solution provider specializing in telecommunications, comprehensive network assessments, industry-leading engineering, drafting and design…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15	Circles	Exact match	SingaporeHQ recorded Sep 29, 2026	501-1,000	1,003 contacts →
	Exact match “Founded in 2014, Circles is a global technology company reimagining the telco industry with its innovative SaaS platform, empowering telco operators worldwide to effortlessly…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16	Bynet Data Communications	Exact match	Tel Aviv, IsraelHQ recorded Sep 29, 2026	501-1,000	994 contacts →
	Exact match “As Israel's leading systems integrator, Bynet Data Communications offers comprehensive solutions and services that provide complete answers to organizations’ ICT and telecom needs.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17	NXO France	Exact match	Puteaux, FranceHQ recorded Sep 29, 2026	1,001-5,000	945 contacts →
	Exact match “NXO is an independent leader in the Telecom integration market in France.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18	Wds-Sicap	Exact match	Baar, SwitzerlandHQ recorded Sep 29, 2026	n/a	777 contacts →
	Exact match “We are leading provider of telecom business intelligence and device management solutions.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19	Telamon	Exact match	Carmel, IN, United StatesHQ recorded Sep 29, 2026	1,001-5,000	739 contacts →
	Exact match “Telamon is a leading provider of connectivity integration, implementation, and distribution solutions for many of the world’s most recognized telecommunications, transportation…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20	Nunsys	Exact match	Paterna, SpainHQ recorded Sep 29, 2026	1,001-5,000	739 contacts →
	Exact match “NUNSYS es una empresa especializada en la Implantación de Soluciones Integrales de Tecnología.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21	Elad Software Systems	Exact match	Tel Aviv, IsraelHQ recorded Sep 29, 2026	501-1,000	709 contacts →
	Exact match “Elad is Israel’s Preeminent Software Solutions Provider of Customer Engagement Platforms, Digital Transformation Projects, Tools for Workplace Modernization and Professional…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22	OFG	Exact match	Córdoba, SpainHQ recorded Sep 29, 2026	1,001-5,000	701 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 · Sep 29, 2026 · View company records in RevenueBase
23	Teleindia Networks PVT LTD	Exact match	Bangalore, IndiaHQ recorded Sep 29, 2026	501-1,000	669 contacts →
	Exact match “Teleindia began its India operations in 2006, in the telecom vertical as a ‘Service Provider’ business unit with proven expertise, quality standards and efficient delivery…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24	VIS Networks	Exact match	Bangalore, IndiaHQ recorded Sep 29, 2026	201-500	666 contacts →
	Exact match “We @ VIS Networks (Voice Infrastructure Services) believe in the future of technology services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25	Amantya Technologies	Exact match	Gurugram, IndiaHQ recorded Sep 29, 2026	501-1,000	662 contacts →
	Exact match “Amantya Technologies is a pioneering force in product engineering and IT services, delivering practical, problem-solving technology across industries.” Recorded in the RevenueBase company graph · Sep 29, 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 software integration firms”. 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 9,934 telecom software integration firms worldwide

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Telecom software integration firms worldwide at a glance

As of Sep 29, 2026

23.6%Verified-email coverage

24.7Average contacts per company

11-50Median size (employees)

1.6%Largest-city concentration · Sao Paulo

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

4,167

11-50

3,785

51-200

1,370

201-500

357

501-1,000

113

1,001-5,000

5,001-10,000

10001+

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 software integration firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “telecom software integration firms” 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 58,121 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 September 29, 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 software integration firms by location

62 lists · largest first

Every Telecom software integration firms 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 software integration firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many telecom software integration firms are there worldwide?

RevenueBase identified 9,934 company matches for telecom software integration firms worldwide as of September 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 telecom software integration firms?

The United States leads with 1,718 companies, followed by Brazil (661) and India (635). Every telecom software integration firms list by country and city is linked on this page.

Which city has the most telecom software integration firms?

Sao Paulo leads with 162 company records, followed by London (100) and Madrid (72).

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 58,121 professional contacts with verified work emails tracked across these 9,934 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 September 29, 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.