Company lists · Data refreshed September 2026

Top 25 Backbone development companies worldwide

RevenueBase identified 5,194 company matches for backbone development companies worldwide as of September 2026 and tracks 299,054 professional contacts across them, including 95,594 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for backbone development 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 September 19, 2026. Country and city lists for backbone development 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 Sep 19, 2026 How this list was built
5,194Companies
299,054Contacts tracked
95,594Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest backbone development companies worldwide

Ranked by team size
Top 25 of 5,194 company matches for backbone development companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 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 matchEspoo, FinlandHQ recorded Sep 19, 202610001+119,404 contacts →

Exact match

“Nokia is a global leader in connectivity for the AI era.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2Exact matchMonroe, LA, United StatesHQ recorded Sep 19, 202610001+15,336 contacts →

Exact match

“Lumen is the trusted network for the AI-powered world, connecting people, data, and applications through one of the world’s most expansive fiber networks.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchHanover, MD, United StatesHQ recorded Sep 19, 20265,001-10,0009,426 contacts →

Exact match

“Ciena (NYSE:CIEN) is the global leader in high-speed connectivity.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Sep 19, 20265,001-10,0006,233 contacts →

Exact match

“Colt Technology Services (Colt) is a global digital infrastructure company which creates extraordinary connections to help businesses succeed.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchPune, IndiaHQ recorded Sep 19, 20261,001-5,0005,391 contacts →

Exact match

“STL is a global leader in advanced connectivity solutions, providing end-to-end solutions for building AI-ready infrastructure, FTTx, Rural, Enterprise and Data Centre networks.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6Exact matchCoral Gables, FL, United StatesHQ recorded Sep 19, 20265,001-10,0003,207 contacts →

Exact match

“MasTec Communications Group (MCG) is a division of MasTec that provides comprehensive services and turnkey solutions for Telecom operators.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchDenver, CO, United StatesHQ recorded Sep 19, 20265,001-10,0002,948 contacts →

Exact match

“For more than 18 years, Zayo Group of companies has helped the world’s most ambitious organizations build the infrastructure behind what’s next.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8Exact matchDuncan, SC, United StatesHQ recorded Sep 19, 20261,001-5,0002,813 contacts →

Exact match

“Founded in 1984, AFL is a global manufacturer providing end-to-end solutions to the energy, broadband, data center, AI and industrial markets.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchIssy Les Moulineaux, FranceHQ recorded Sep 19, 20261,001-5,0002,285 contacts →

Exact match

“En première ligne de la transformation numérique des entreprises et des territoires, le Groupe Sogetrel est spécialisé dans les services aux infrastructures numériques et…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact matchTokyo, JapanHQ recorded Sep 19, 202610001+1,966 contacts →

Exact match

“We are Japan’s global telecommunications pioneer and a Global Fortune 500 company, providing our international customer base with data centers, networks, content delivery, system…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchTempe, AZ, United StatesHQ recorded Sep 19, 20261,001-5,0001,800 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 19, 2026 · View company records in RevenueBase
12Exact matchBoulder, CO, United StatesHQ recorded Sep 19, 20261,001-5,0001,676 contacts →

Exact match

“Congruex was formed in 2017 to take advantage of historic demand for digital connectivity.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchMontreal, QC, CanadaHQ recorded Sep 19, 20261,001-5,0001,573 contacts →

Exact match

“From a regional telecom networks builder in 1967 in Quebec (Canada), Telecon has grown into a world-class industry-leading telecom networks design, infrastructure and connectivity…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchJakarta Pusat, IndonesiaHQ recorded Sep 19, 20261,001-5,0001,510 contacts →

Exact match

“Moratelindo is part of PT Ekamas Mora RepublikTbk (MoraRepublic), one of Indonesia’s largest integrated infrastructure Telecommunication and connectivity providers.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact matchNew Delhi, IndiaHQ recorded Sep 19, 20261,001-5,0001,481 contacts →

Exact match

“Tulip Telecom Ltd.(BSE: 532691/NSE: TULIP) is India’s leading Enterprise Communications Service provider.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16Exact matchFort Lauderdale, FL, United StatesHQ recorded Sep 19, 20261,001-5,0001,420 contacts →

Exact match

“Hotwire Communications is a national leader in fiber optic technology, delivering advanced, customized telecommunications solutions to residential, commercial, senior-living…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchMohali, IndiaHQ recorded Sep 19, 20265,001-10,0001,388 contacts →

Exact match

“Aerial Telecom Solutions Private Limited is a global systems integrator and technology partner, driving next-generation connectivity and digital transformation across diverse…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchNairobi, KenyaHQ recorded Sep 19, 2026201-5001,350 contacts →

Exact match

“Bharti Airtel Limited is a leading global telecommunications company with operations in 20 countries across Asia and Africa.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchLittle Rock, AR, United StatesHQ recorded Sep 19, 2026501-1,0001,247 contacts →

Exact match

“Uniti is a premier insurgent fiber provider dedicated to enabling mission-critical connectivity across the United States.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchHyderabad, IndiaHQ recorded Sep 19, 20261,001-5,0001,148 contacts →

Exact match

“Centillion, an Osmose Company, is a leading provider of telecom engineering, utility infrastructure, GIS, and data services across North America, Europe, and Australia.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchIron Mountain, MI, United StatesHQ recorded Sep 19, 20261,001-5,0001,077 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 19, 2026 · View company records in RevenueBase
22Exact matchWembley, United KingdomHQ recorded Sep 19, 20261,001-5,0001,053 contacts →

Exact match

“Established in 1985 to support the emerging UK cable television market, Kelly Group has diversified to meet the needs of our clients.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchBroomfield, CO, United StatesHQ recorded Sep 19, 202610001+1,051 contacts →

Exact match

“tw telecom is now part of CenturyLink.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchFaribault, MN, United StatesHQ recorded Sep 19, 20261,001-5,000974 contacts →

Exact match

“KGPCo is a key strategic partner to the world’s leading communication and technology companies creating the next generation of networks.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25Exact matchCharlotte, NC, United StatesHQ recorded Sep 19, 20261,001-5,000950 contacts →

Exact match

“Segra owns and operates a wide and dense fiber-optic infrastructure footprint that provides state-of-the-art connectivity, cybersecurity, voice, cloud and colocation solutions…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

Showing 25 of 5,194 backbone development companies worldwide

See the full list, filter by size, metro and specialty, and access 95,594 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Backbone development companies worldwide at a glance

As of Sep 19, 2026
32.0%Verified-email coverage
57.6Average contacts per company
11-50Median size (employees)
1.0%Largest-city concentration · London
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
1,667
11-50
2,034
51-200
973
201-500
269
501-1,000
102
1,001-5,000
91
5,001-10,000
13
10001+
19

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 backbone development companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “backbone development 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 95,594 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 19, 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.

Backbone development companies by location

22 lists · largest first

Every Backbone development companies 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 “backbone development companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many backbone development companies are there worldwide?

RevenueBase identified 5,194 company matches for backbone development companies 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?

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

Which country has the most backbone development companies?

The United States leads with 1,234 companies, followed by the United Kingdom (310) and Germany (309). Every backbone development companies list by country and city is linked on this page.

Which city has the most backbone development companies?

London leads with 51 company records, followed by Sao Paulo (46) and Houston (23).

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 95,594 professional contacts with verified work emails tracked across these 5,194 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 19, 2026.

Ready to reach these companies? Verified emails and direct dials for all 5,194 backbone development 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.