Company lists · Data refreshed September 2026
Top 25 4g to 5g migration services worldwide
RevenueBase identified 294 4g to 5g migration services worldwide as of September 2026 and tracks 23,098 professional contacts across them, including 3,736 with verified work emails and 0 with mobile numbers. The United States is the largest market and London the largest hub.
This list covers 4g to 5g migration services worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026. Country and city lists for 4g to 5g migration services follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 4g to 5g migration services worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 8,651 contacts → | ||||
Indirect evidence “Netcracker Technology, a wholly owned subsidiary of NEC Corporation, helps service providers around the world transform and grow in the digital economy.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 2,193 contacts → | ||||
Indirect evidence “In Feb.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 699 contacts → | ||||
Indirect evidence “TEOCO is a leading provider of analytics, assurance, planning and optimization solutions to over 300 communication service providers (CSPs).” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 698 contacts → | ||||
Indirect evidence “Teleysia Networks has started operations since April 2008 and it is an innovative, efficient and effective solution providing telecom Consultancy Company with mission to become…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 662 contacts → | ||||
Indirect evidence “At LinkQuest, we specialize in optimizing the efficiency and performance of telecom networks.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 560 contacts → | ||||
Indirect evidence “As part of KELLY’s SETT (Science, Engineering, Technology, and Telecom) Business Unit, we are committed to providing state-of-the-art digital infrastructure and telecom…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 536 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 519 contacts → | ||||
Indirect evidence “QuadGen is a network and engineering services company, enabling customers to deploy new technologies, improve network capacity, reduce costs and optimize network performance.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 401 contacts → | ||||
Partial evidence “Crest Digitel (An Altius group Company) is a leading 5G-ready Digital Connectivity Infrastructure Partner committed to Enable Connections for Life.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 361 contacts → | ||||
Indirect evidence “For 25 years, XIUS has been at the forefront of telecom innovation designing intelligent, secure, and future-ready network infrastructure for operators and enterprises across five…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 290 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 289 contacts → | ||||
Partial evidence “Verveba Telecom delivers strategic telecom engineering services and solutions globally, empowering operators, OEMs, and enterprises to accelerate their 5G transformation.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 266 contacts → | ||||
Indirect evidence “We are the future of Telecom.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 265 contacts → | ||||
Indirect evidence “We provide innovative end-to-end deployment services and smart solutions on the technology of tomorrow.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 250 contacts → | ||||
Indirect evidence “Yupana is a Technology Consulting firm, specializing in wireless professional services.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 216 contacts → | ||||
Partial evidence “5G/LTE E2E NES | Digital Private & Public NWs | 5G NextGen Products | OSP Desgin & Drafting | IP-OTN & Fiber Grid Networks | Smart City Soln | Digital Classroom Solns | Carrier…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 208 contacts → | ||||
Indirect evidence “Glow Networks, Inc.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 205 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 181 contacts → | ||||
Indirect evidence “GCB headquartered in Virginia is one of the premier independent providers of engineering & Information Technology services to the wireless telecom and IT industry.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 172 contacts → | ||||
Indirect evidence “Willkommen bei der TRIOPT GmbH – Ihrem technischen Dienstleister im Bereich Planung, Realisierung und Optimierung im Funk- und Festnetz.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 166 contacts → | ||||
Indirect evidence “Alepo makes next-generation Gen AI transformation opportunities for telcos a reality, delivering advanced software solutions and services that enable communications service…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 148 contacts → | ||||
Indirect evidence “KCCTech delivers a comprehensive suite of Connectivity and Digitalization Services, strategically crafted to equip Wireless Network Operators and Managed Service Providers with…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 139 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 132 contacts → | ||||
Indirect evidence “Genesis Technology Services Limited (GTS Ltd) is a leading engineering service provider in the UK and a global multinational corporation, based in Cambridgeshire, UK.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 117 contacts → | ||||
Indirect evidence “Phi-Metrics is a global telecom services organization with innovative, cost effective and easily scalable solutions in the Space of RF planning, Optimization, Network Measurement…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: 4g to 5g migration services. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names 4g to 5g migration services.
- Partial evidence
- Its own public description names part of 4g to 5g migration services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name 4g to 5g migration services. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 294 4g to 5g migration services worldwide
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4g to 5g migration services worldwide at a glance
As of Sep 19, 2026Companies by employee count
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among 4g to 5g migration services, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- 4 countries, largest first: the United States, India, the United Kingdom, Germany. Country and city lists for 4g to 5g migration services are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “4g to 5g migration services”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names 4g to 5g migration services), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among 4g to 5g migration services, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 3,736 across the full list. 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.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
4g to 5g migration services by location
4 lists · largest firstEvery 4g to 5g migration services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names 4g to 5g migration services, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many 4g to 5g migration services are there worldwide?
RevenueBase identified 294 4g to 5g migration services worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Netcracker Technology, headquartered in Waltham, tops this list with the largest team on record.
Which country has the most 4g to 5g migration services?
The United States leads with 157 companies, followed by India (50) and the United Kingdom (49). Every 4g to 5g migration services list by country and city is linked on this page.
Which city has the most 4g to 5g migration services?
London leads with 15 headquartered companies, followed by Dallas (10) and Plano (8).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 3,736 verified decision-maker contacts tracked across these 294 companies.
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.
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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 Smart Search, 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.