Company lists · Data refreshed September 2026

Top 25 Legacy system modernization worldwide

Name: Legacy system modernization worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 16,950 companies tracked

RevenueBase identified 16,950 company matches for legacy system modernization worldwide as of September 2026 and tracks 328,316 professional contacts across them, including 91,892 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for legacy system modernization 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 20, 2026. Country and city lists for legacy system modernization 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 20, 2026 How this list was built

16,950Companies

328,316Contacts tracked

91,892Verified emails

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The 25 largest legacy system modernization worldwide

Ranked by team size

Top 25 of 16,950 company matches for legacy system modernization worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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	DXC Technology	Exact match	Ashburn, VA, United StatesHQ recorded Sep 20, 2026	10001+	82,768 contacts →
	Exact match “DXC Technology helps global companies run their mission-critical systems and operations while modernizing IT, optimizing data architectures, and ensuring security and scalability…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2	SHI International Corp	Exact match	Somerset, NJ, United StatesHQ recorded Sep 20, 2026	5,001-10,000	6,734 contacts →
	Exact match “Think of SHI as your personal technology concierge.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3	Datacom	Exact match	Auckland, New ZealandHQ recorded Sep 20, 2026	5,001-10,000	5,958 contacts →
	Exact match “Customer focused values.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4	Mitra Integrasi Informatika, PT	Exact match	Jakarta, IndonesiaHQ recorded Sep 20, 2026	1,001-5,000	2,517 contacts →
	Exact match “Mitra Integrasi Informatika (“MII”), established in 1996 as a subsidiary of the publicly listed PT Metrodata Electronics, Tbk.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5	IT Group, INC	Exact match	Quezon City, PhilippinesHQ recorded Sep 20, 2026	n/a	2,238 contacts →
	Exact match “IT Group, Inc.(also known as ITG), is an Information Technology solutions partner that endeavors to provide growing organizations with solutions that meet the unique needs of…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6	Improving	Exact match	Plano, TX, United StatesHQ recorded Sep 20, 2026	1,001-5,000	1,578 contacts →
	Exact match “Improving is a leading IT professional services firm committed to helping companies achieve lasting success through modern technology.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7	Malamteam	Exact match	Petach Tikva, IsraelHQ recorded Sep 20, 2026	5,001-10,000	1,552 contacts →
	Exact match “As Israel's premier IT services powerhouse, Malam Team stands at the forefront of technological innovation, redefining the landscape of information technology with unparalleled…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8	LEVIO	Exact match	Québec, QC, CanadaHQ recorded Sep 20, 2026	1,001-5,000	1,403 contacts →
	Exact match “Levio is a leading North American technology‑focused consulting firm and one of the two largest system integrators fully owned by Canadian interests, specializing in digital…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9	Trace3	Exact match	Irvine, CA, United StatesHQ recorded Sep 20, 2026	1,001-5,000	1,345 contacts →
	Exact match “Trace3 delivers business transformation.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10	Royal Cyber INC	Exact match	Naperville, IL, United StatesHQ recorded Sep 20, 2026	1,001-5,000	1,325 contacts →
	Exact match “Royal Cyber is a trusted global IT consulting & digital transformation partner, empowering enterprises for over two decades to evolve with agility, security, and innovation.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11	Trigyn Technologies	Exact match	Mumbai, IndiaHQ recorded Sep 20, 2026	1,001-5,000	1,230 contacts →
	Exact match “We're re-engineering the way business is done.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12	Coasin Logicalis	Exact match	Las Condes, ChileHQ recorded Sep 20, 2026	1,001-5,000	1,067 contacts →
	Exact match “CoasinLogicalis, empresa líder que integra soluciones tecnológicas de alto valor agregado y presta servicios TIC en modalidad outsourcing de manera integral y verticalizada a…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13	Value Point Systems PVT LTD	Exact match	Bangalore, IndiaHQ recorded Sep 20, 2026	1,001-5,000	943 contacts →
	Exact match “Value Point Systems, one of the leading Digital Systems & Services Integrator company in South Asia.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14	Acensi	Exact match	Courbevoie, FranceHQ recorded Sep 20, 2026	1,001-5,000	844 contacts →
	Exact match “You will be part of ACENSI network: 1650 co-workers involved in IS transformation projects at our clients through our multisectoral expertise.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15	Interop	Exact match	Porto Alegre, BrazilHQ recorded Sep 20, 2026	1,001-5,000	838 contacts →
	Exact match “Há 31 anos, a InterOp entrega serviços em tecnologia da informação, para empresas de todos os tamanhos e setores.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16	Taldor	Exact match	Holon, IsraelHQ recorded Sep 20, 2026	1,001-5,000	830 contacts →
	Exact match “Taldor is one of Israel leading IT companies.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17	NUMEN	Exact match	Sao Paulo, BrazilHQ recorded Sep 20, 2026	501-1,000	828 contacts →
	Exact match “Numen is an international consultancy specialized in enterprise technologies.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18	Infojini INC	Exact match	Columbia, MD, United StatesHQ recorded Sep 20, 2026	501-1,000	828 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19	People Prime Worldwide	Exact match	Hyderabad, IndiaHQ recorded Sep 20, 2026	501-1,000	806 contacts →
	Exact match “At People Prime Worldwide, we deliver innovative IT solutions that drive business success.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20	MIS	Exact match	Riyadh, Saudi ArabiaHQ recorded Sep 20, 2026	501-1,000	792 contacts →
	Exact match “Empowered Integrators" Since its formation in 1979, MIS has demonstrated a solid commitment to the development of the IT market in Saudi Arabia.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21	Softcell Technologies Global Pvt. LTD	Exact match	Mumbai, IndiaHQ recorded Sep 20, 2026	501-1,000	763 contacts →
	Exact match “With 35 years of experience, Softcell Technologies Global is a trusted IT services provider specialising in (i) IT security and cybersecurity solutions,(ii) cloud / on-premise…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22	TSG	Exact match	Gateshead, United KingdomHQ recorded Sep 20, 2026	201-500	748 contacts →
	Exact match “TSG: The Technology Partner for Ambitious Businesses We're not a reseller.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23	Systems Engineering Services Corporation Sesc	Exact match	Reston, VA, United StatesHQ recorded Sep 20, 2026	201-500	747 contacts →
	Exact match “Systems Engineering Services Corporation (SESC), founded in 1989, is a leading provider of technology solutions to Fortune companies and government organizations.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24	Ubeo Business Services	Exact match	Austin, TX, United StatesHQ recorded Sep 20, 2026	1,001-5,000	743 contacts →
	Exact match “UBEO Business Services is an end-to-end provider of business technology solutions and services.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25	System Soft Technologies	Exact match	Tampa, FL, United StatesHQ recorded Sep 20, 2026	501-1,000	732 contacts →
	Exact match “System Soft Group is an IT services and solutions company that helps organizations overcome limited managed IT capabilities and achieve key technology goals.” Recorded in the RevenueBase company graph · Sep 20, 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 “legacy system modernization”. 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 16,950 legacy system modernization worldwide

See the full list, filter by size, metro and specialty, and access 91,892 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Legacy system modernization worldwide at a glance

As of Sep 20, 2026

28.0%Verified-email coverage

19.4Average contacts per company

1-10Median size (employees)

1.1%Largest-city concentration · London

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

8,632

11-50

6,014

51-200

1,729

201-500

341

501-1,000

104

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 legacy system modernization are linked below.
What qualifies: Company records worldwide whose business descriptions match “legacy system modernization” 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 91,892 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 20, 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.

Legacy system modernization by location

93 lists · largest first

Every Legacy system modernization 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 “legacy system modernization”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many legacy system modernization are there worldwide?

RevenueBase identified 16,950 company matches for legacy system modernization 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?

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

Which country has the most legacy system modernization?

The United States leads with 3,786 companies, followed by India (1,734) and Brazil (723). Every legacy system modernization list by country and city is linked on this page.

Which city has the most legacy system modernization?

London leads with 192 company records, followed by Sao Paulo (187) and Dubai (148).

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 91,892 professional contacts with verified work emails tracked across these 16,950 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 20, 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.