Company lists · Data refreshed November 2026
Top 25 Mainframe modernization companies worldwide
RevenueBase identified 1,428 company matches for mainframe modernization companies worldwide as of November 2026 and tracks 196,215 professional contacts across them, including 53,413 with verified work emails. The United States is the largest market and Bangalore the largest hub.
This list covers company matches for mainframe modernization 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 6, 2026. Country and city lists for mainframe modernization 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.
The 25 largest mainframe modernization companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 86,844 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 46,102 contacts → | ||||
Exact match “A leading applied technology services company, we innovate to deliver service excellence and successful outcomes across sales, delivery and development.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 7,815 contacts → | ||||
Exact match “Sonata Software Limited is a leading Modernization engineering company, headquartered in Bangalore.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 4,213 contacts → | ||||
Exact match “Software AG has been helping enterprises run and evolve their core business applications for over 50 years.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 3,542 contacts → | ||||
Exact match “Ensono is an expert technology adviser and managed service provider.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 2,385 contacts → | ||||
Exact match “Trianz is a "transformation services as a software" company - helping enterprises accelerate cloud adoption and AI transformation through Concierto, our unified, AI-first platform…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 1,673 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 1,608 contacts → | ||||
Exact match “Searce is an AI-native, engineering-led modern tech consultancy that empowers clients to futurify by delivering real business outcomes.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 1,593 contacts → | ||||
Exact match “Hughes Systique Corporation (HSC) is a global digital engineering and transformation partner enabling enterprises to modernize, innovate, and grow through its AI-First approach.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 1,388 contacts → | ||||
Exact match “Kumaran Systems: Engineering Future-Ready Transformations Since 1992, Kumaran Systems has been helping enterprises bridge the past and the future, reimagining legacy systems and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 1,373 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 1,349 contacts → | ||||
Exact match “SNP is the global technology platform leader and trusted partner for companies seeking unparalleled data-enabled transformation capabilities and business agility.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 1,229 contacts → | ||||
Exact match “Welcome to BBD – where experience, innovation and software engineering excellence come together.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 1,077 contacts → | ||||
Exact match “For nearly three decades, Indus Net Technologies (INT.) has empowered global enterprises to build intelligent, secure, and scalable digital ecosystems -> transforming complexity…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 1,063 contacts → | ||||
Exact match “IBM i is evolving.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 1,000 contacts → | ||||
Exact match “IBA Group is one of the largest IT service providers in Eastern Europe, performing software development, migration, maintenance, support, and IT consulting services with IT and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 792 contacts → | ||||
Exact match “Integra Micro Software Services (IMSS) is a reliable provider of software services for over 19 years, and is a subsidiary of 37 year old Integra Group.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 759 contacts → | ||||
Exact match “A global software engineering company with 26+ years of experience helping enterprises build, modernize, and scale complex digital systems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 714 contacts → | ||||
Exact match “Node4 helps businesses achieve more with secure, AI‑powered cloud and managed service platforms.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 691 contacts → | ||||
Exact match “SuneraTech is now at the frontline of Digital Transformation and enables innovation to promote futuristic organizations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 678 contacts → | ||||
Exact match “Fifteen years ago, Ahana began with a simple belief: technology should enable growth, not create complexity.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 668 contacts → | ||||
Exact match “SourceFuse is a global, AI-native digital and product engineering company that helps enterprises build, modernize, and scale intelligent systems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 547 contacts → | ||||
Exact match “Atyeti is a business and technology consulting firm headquartered in Princeton, New Jersey, with offices in USA, UK, Ireland, Switzerland, Poland, India, Singapore, Malaysia…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 515 contacts → | ||||
Exact match “Growth Acceleration Partners is a consulting and technology services company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 493 contacts → | ||||
Exact match “Zoolatech is a global software engineering partner helping enterprises modernize legacy systems, adopt AI, and build scalable digital platforms.” Recorded in the RevenueBase company graph · Nov 6, 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 “mainframe modernization companies”. 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 1,428 mainframe modernization companies worldwide
See the full list, filter by size, metro and specialty, and access 53,413 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Mainframe modernization companies worldwide at a glance
As of Nov 6, 2026Companies by employee count
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 mainframe modernization companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “mainframe modernization 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 53,413 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 6, 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.
Mainframe modernization companies by location
8 lists · largest firstEvery Mainframe modernization companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Mainframe modernization companies based in the United States395
- Mainframe modernization companies based in India204
- Mainframe modernization companies based in the United Kingdom65
- Mainframe modernization companies based in Germany59
- Mainframe modernization companies based in Canada47
- Mainframe modernization companies based in Australia46
- Mainframe modernization companies based in France31
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 “mainframe modernization companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many mainframe modernization companies are there worldwide?
RevenueBase identified 1,428 company matches for mainframe modernization 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?
DXC Technology tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most mainframe modernization companies?
The United States leads with 395 companies, followed by India (204) and the United Kingdom (65). Every mainframe modernization companies list by country and city is linked on this page.
Which city has the most mainframe modernization companies?
Bangalore leads with 29 company records, followed by Hyderabad (24) and London (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 53,413 professional contacts with verified work emails tracked across these 1,428 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 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,428 mainframe modernization companies worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 mainframe modernization companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,428 matching company records for mainframe modernization companies worldwide, with 196,215 tracked contacts and 53,413 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 mainframe modernization companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  DXC Technologydxc.comHQ: Ashburn, VA, United StatesReported employees: 10001+ | Ashburn, VA, United States | 10001+ | Exact match | 86,844 contacts → |
“DXC Technology helps global companies run their mission-critical systems and operations while modernizing IT, optimizing data architectures, and ensuring security and scalability…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Mphasismphasis.comHQ: Bangalore, IndiaReported employees: 10001+ | Bangalore, India | 10001+ | Exact match | 46,102 contacts → |
“A leading applied technology services company, we innovate to deliver service excellence and successful outcomes across sales, delivery and development.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Sonata Softwaresonata-software.comHQ: Bangalore, IndiaReported employees: 5,001-10,000 | Bangalore, India | 5,001-10,000 | Exact match | 7,815 contacts → |
“Sonata Software Limited is a leading Modernization engineering company, headquartered in Bangalore.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Software AGsoftwareag.comHQ: Darmstadt, GermanyReported employees: Not recorded | Darmstadt, Germany | Not recorded | Exact match | 4,213 contacts → |
“Software AG has been helping enterprises run and evolve their core business applications for over 50 years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Ensonoensono.comHQ: Downers Grove, IL, United StatesReported employees: 1,001-5,000 | Downers Grove, IL, United States | 1,001-5,000 | Exact match | 3,542 contacts → |
“Ensono is an expert technology adviser and managed service provider.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Trianztrianz.comHQ: Herndon, VA, United StatesReported employees: 1,001-5,000 | Herndon, VA, United States | 1,001-5,000 | Exact match | 2,385 contacts → |
“Trianz is a "transformation services as a software" company - helping enterprises accelerate cloud adoption and AI transformation through Concierto, our unified, AI-first platform…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Improvingimproving.comHQ: Plano, United StatesReported employees: 1,001-5,000 | Plano, United States | 1,001-5,000 | Exact match | 1,673 contacts → |
“Improving is a leading IT professional services firm committed to helping companies achieve lasting success through modern technology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Searce INCsearce.comHQ: Houston, United StatesReported employees: 1,001-5,000 | Houston, United States | 1,001-5,000 | Exact match | 1,608 contacts → |
“Searce is an AI-native, engineering-led modern tech consultancy that empowers clients to futurify by delivering real business outcomes.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Rockville, United StatesReported employees: 1,001-5,000 | Rockville, United States | 1,001-5,000 | Exact match | 1,593 contacts → |
“Hughes Systique Corporation (HSC) is a global digital engineering and transformation partner enabling enterprises to modernize, innovate, and grow through its AI-First approach.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Kumaran Systemskumaran.comHQ: Chennai, CA, IndiaReported employees: 1,001-5,000 | Chennai, CA, India | 1,001-5,000 | Exact match | 1,388 contacts → |
“Kumaran Systems: Engineering Future-Ready Transformations Since 1992, Kumaran Systems has been helping enterprises bridge the past and the future, reimagining legacy systems and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Royal Cyber INCroyalcyber.comHQ: Naperville, United StatesReported employees: 1,001-5,000 | Naperville, United States | 1,001-5,000 | Exact match | 1,373 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  SNP Groupsnpgroup.comHQ: Heidelberg, GermanyReported employees: 1,001-5,000 | Heidelberg, Germany | 1,001-5,000 | Exact match | 1,349 contacts → |
“SNP is the global technology platform leader and trusted partner for companies seeking unparalleled data-enabled transformation capabilities and business agility.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  BBDbbdsoftware.comHQ: Rosebank, South AfricaReported employees: 1,001-5,000 | Rosebank, South Africa | 1,001-5,000 | Exact match | 1,229 contacts → |
“Welcome to BBD – where experience, innovation and software engineering excellence come together.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Indus NET Technologies INTintglobal.comHQ: Kolkata, ID, IndiaReported employees: 501-1,000 | Kolkata, ID, India | 501-1,000 | Exact match | 1,077 contacts → |
“For nearly three decades, Indus Net Technologies (INT.) has empowered global enterprises to build intelligent, secure, and scalable digital ecosystems -> transforming complexity…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  programmers.ioprogrammers.ioHQ: Dallas, TX, United StatesReported employees: 1,001-5,000 | Dallas, TX, United States | 1,001-5,000 | Exact match | 1,063 contacts → |
“IBM i is evolving.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  IBA Groupibagroupit.comHQ: Prague, CA, Czech RepublicReported employees: 1,001-5,000 | Prague, CA, Czech Republic | 1,001-5,000 | Exact match | 1,000 contacts → |
“IBA Group is one of the largest IT service providers in Eastern Europe, performing software development, migration, maintenance, support, and IT consulting services with IT and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Integra Micro Software Servicesimss.co.inHQ: Bangalore, IndiaReported employees: 201-500 | Bangalore, India | 201-500 | Exact match | 792 contacts → |
“Integra Micro Software Services (IMSS) is a reliable provider of software services for over 19 years, and is a subsidiary of 37 year old Integra Group.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Radixwebradixweb.comHQ: Ahmedabad, IndiaReported employees: 501-1,000 | Ahmedabad, India | 501-1,000 | Exact match | 759 contacts → |
“A global software engineering company with 26+ years of experience helping enterprises build, modernize, and scale complex digital systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Node4node4.co.ukHQ: Derby, United KingdomReported employees: 1,001-5,000 | Derby, United Kingdom | 1,001-5,000 | Exact match | 714 contacts → |
“Node4 helps businesses achieve more with secure, AI‑powered cloud and managed service platforms.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Suneratechsuneratech.comHQ: Troy, MD, United StatesReported employees: 1,001-5,000 | Troy, MD, United States | 1,001-5,000 | Exact match | 691 contacts → |
“SuneraTech is now at the frontline of Digital Transformation and enables innovation to promote futuristic organizations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Ahana Systems And Solutions Pvt. LTDahanait.comHQ: Bangalore, NY, IndiaReported employees: 501-1,000 | Bangalore, NY, India | 501-1,000 | Exact match | 678 contacts → |
“Fifteen years ago, Ahana began with a simple belief: technology should enable growth, not create complexity.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Sourcefusesourcefuse.comHQ: Jacksonville Beach, United StatesReported employees: 501-1,000 | Jacksonville Beach, United States | 501-1,000 | Exact match | 668 contacts → |
“SourceFuse is a global, AI-native digital and product engineering company that helps enterprises build, modernize, and scale intelligent systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Atyeti INCatyeti.comHQ: Princeton, NC, United StatesReported employees: 501-1,000 | Princeton, NC, United States | 501-1,000 | Exact match | 547 contacts → |
“Atyeti is a business and technology consulting firm headquartered in Princeton, New Jersey, with offices in USA, UK, Ireland, Switzerland, Poland, India, Singapore, Malaysia…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Growth Acceleration Partnersgrowthaccelerationpartners.comHQ: Austin, United StatesReported employees: 501-1,000 | Austin, United States | 501-1,000 | Exact match | 515 contacts → |
“Growth Acceleration Partners is a consulting and technology services company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Zoolatechzoolatech.comHQ: Miami, FL, United StatesReported employees: 501-1,000 | Miami, FL, United States | 501-1,000 | Exact match | 493 contacts → |
“Zoolatech is a global software engineering partner helping enterprises modernize legacy systems, adopt AI, and build scalable digital platforms.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,428 company matches
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Mainframe modernization companies: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,421 records in the displayed employee bands.
7 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,428 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Mainframe modernization companies by location
8 lists · largest firstEvery Mainframe modernization companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Mainframe modernization companies based in the United States395
- Mainframe modernization companies based in India204
- Mainframe modernization companies based in the United Kingdom65
- Mainframe modernization companies based in Germany59
- Mainframe modernization companies based in Canada47
- Mainframe modernization companies based in Australia46
- Mainframe modernization companies based in France31
Cities
Questions about this company list
What does Exact match mean for mainframe modernization companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many mainframe modernization companies did RevenueBase find worldwide?
The saved snapshot records 1,428 matching company records, 196,215 tracked contacts and 53,413 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 mainframe modernization companies worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/mainframe-modernization-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 mainframe modernization companies worldwide
RevenueBase records 1,428 matching company records for mainframe modernization companies worldwide, with 196,215 tracked contacts and 53,413 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 mainframe modernization companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | DXC Technologydxc.com HQ: Ashburn, VA, United StatesReported employees: 10001+ | Ashburn, VA, United States | 10001+ | Exact match | 86,844 contacts → |
“DXC Technology helps global companies run their mission-critical systems and operations while modernizing IT, optimizing data architectures, and ensuring security and scalability…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Mphasismphasis.com HQ: Bangalore, IndiaReported employees: 10001+ | Bangalore, India | 10001+ | Exact match | 46,102 contacts → |
“A leading applied technology services company, we innovate to deliver service excellence and successful outcomes across sales, delivery and development.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Sonata Softwaresonata-software.com HQ: Bangalore, IndiaReported employees: 5,001-10,000 | Bangalore, India | 5,001-10,000 | Exact match | 7,815 contacts → |
“Sonata Software Limited is a leading Modernization engineering company, headquartered in Bangalore.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Software AGsoftwareag.com HQ: Darmstadt, GermanyReported employees: Not recorded | Darmstadt, Germany | Not recorded | Exact match | 4,213 contacts → |
“Software AG has been helping enterprises run and evolve their core business applications for over 50 years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Ensonoensono.com HQ: Downers Grove, IL, United StatesReported employees: 1,001-5,000 | Downers Grove, IL, United States | 1,001-5,000 | Exact match | 3,542 contacts → |
“Ensono is an expert technology adviser and managed service provider.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Trianztrianz.com HQ: Herndon, VA, United StatesReported employees: 1,001-5,000 | Herndon, VA, United States | 1,001-5,000 | Exact match | 2,385 contacts → |
“Trianz is a "transformation services as a software" company - helping enterprises accelerate cloud adoption and AI transformation through Concierto, our unified, AI-first platform…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Improvingimproving.com HQ: Plano, United StatesReported employees: 1,001-5,000 | Plano, United States | 1,001-5,000 | Exact match | 1,673 contacts → |
“Improving is a leading IT professional services firm committed to helping companies achieve lasting success through modern technology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Searce INCsearce.com HQ: Houston, United StatesReported employees: 1,001-5,000 | Houston, United States | 1,001-5,000 | Exact match | 1,608 contacts → |
“Searce is an AI-native, engineering-led modern tech consultancy that empowers clients to futurify by delivering real business outcomes.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Rockville, United StatesReported employees: 1,001-5,000 | Rockville, United States | 1,001-5,000 | Exact match | 1,593 contacts → |
“Hughes Systique Corporation (HSC) is a global digital engineering and transformation partner enabling enterprises to modernize, innovate, and grow through its AI-First approach.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Kumaran Systemskumaran.com HQ: Chennai, CA, IndiaReported employees: 1,001-5,000 | Chennai, CA, India | 1,001-5,000 | Exact match | 1,388 contacts → |
“Kumaran Systems: Engineering Future-Ready Transformations Since 1992, Kumaran Systems has been helping enterprises bridge the past and the future, reimagining legacy systems and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Royal Cyber INCroyalcyber.com HQ: Naperville, United StatesReported employees: 1,001-5,000 | Naperville, United States | 1,001-5,000 | Exact match | 1,373 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | SNP Groupsnpgroup.com HQ: Heidelberg, GermanyReported employees: 1,001-5,000 | Heidelberg, Germany | 1,001-5,000 | Exact match | 1,349 contacts → |
“SNP is the global technology platform leader and trusted partner for companies seeking unparalleled data-enabled transformation capabilities and business agility.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | BBDbbdsoftware.com HQ: Rosebank, South AfricaReported employees: 1,001-5,000 | Rosebank, South Africa | 1,001-5,000 | Exact match | 1,229 contacts → |
“Welcome to BBD – where experience, innovation and software engineering excellence come together.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Indus NET Technologies INTintglobal.com HQ: Kolkata, ID, IndiaReported employees: 501-1,000 | Kolkata, ID, India | 501-1,000 | Exact match | 1,077 contacts → |
“For nearly three decades, Indus Net Technologies (INT.) has empowered global enterprises to build intelligent, secure, and scalable digital ecosystems -> transforming complexity…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | programmers.ioprogrammers.io HQ: Dallas, TX, United StatesReported employees: 1,001-5,000 | Dallas, TX, United States | 1,001-5,000 | Exact match | 1,063 contacts → |
“IBM i is evolving.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | IBA Groupibagroupit.com HQ: Prague, CA, Czech RepublicReported employees: 1,001-5,000 | Prague, CA, Czech Republic | 1,001-5,000 | Exact match | 1,000 contacts → |
“IBA Group is one of the largest IT service providers in Eastern Europe, performing software development, migration, maintenance, support, and IT consulting services with IT and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Integra Micro Software Servicesimss.co.in HQ: Bangalore, IndiaReported employees: 201-500 | Bangalore, India | 201-500 | Exact match | 792 contacts → |
“Integra Micro Software Services (IMSS) is a reliable provider of software services for over 19 years, and is a subsidiary of 37 year old Integra Group.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Radixwebradixweb.com HQ: Ahmedabad, IndiaReported employees: 501-1,000 | Ahmedabad, India | 501-1,000 | Exact match | 759 contacts → |
“A global software engineering company with 26+ years of experience helping enterprises build, modernize, and scale complex digital systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Node4node4.co.uk HQ: Derby, United KingdomReported employees: 1,001-5,000 | Derby, United Kingdom | 1,001-5,000 | Exact match | 714 contacts → |
“Node4 helps businesses achieve more with secure, AI‑powered cloud and managed service platforms.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Suneratechsuneratech.com HQ: Troy, MD, United StatesReported employees: 1,001-5,000 | Troy, MD, United States | 1,001-5,000 | Exact match | 691 contacts → |
“SuneraTech is now at the frontline of Digital Transformation and enables innovation to promote futuristic organizations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Ahana Systems And Solutions Pvt. LTDahanait.com HQ: Bangalore, NY, IndiaReported employees: 501-1,000 | Bangalore, NY, India | 501-1,000 | Exact match | 678 contacts → |
“Fifteen years ago, Ahana began with a simple belief: technology should enable growth, not create complexity.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Sourcefusesourcefuse.com HQ: Jacksonville Beach, United StatesReported employees: 501-1,000 | Jacksonville Beach, United States | 501-1,000 | Exact match | 668 contacts → |
“SourceFuse is a global, AI-native digital and product engineering company that helps enterprises build, modernize, and scale intelligent systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Atyeti INCatyeti.com HQ: Princeton, NC, United StatesReported employees: 501-1,000 | Princeton, NC, United States | 501-1,000 | Exact match | 547 contacts → |
“Atyeti is a business and technology consulting firm headquartered in Princeton, New Jersey, with offices in USA, UK, Ireland, Switzerland, Poland, India, Singapore, Malaysia…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Growth Acceleration Partnersgrowthaccelerationpartners.com HQ: Austin, United StatesReported employees: 501-1,000 | Austin, United States | 501-1,000 | Exact match | 515 contacts → |
“Growth Acceleration Partners is a consulting and technology services company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Zoolatechzoolatech.com HQ: Miami, FL, United StatesReported employees: 501-1,000 | Miami, FL, United States | 501-1,000 | Exact match | 493 contacts → |
“Zoolatech is a global software engineering partner helping enterprises modernize legacy systems, adopt AI, and build scalable digital platforms.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,428 company matches
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Mainframe modernization companies: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,421 records in the displayed employee bands.
7 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,428 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Mainframe modernization companies by location
8 lists · largest firstEvery Mainframe modernization companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Mainframe modernization companies based in the United States395
- Mainframe modernization companies based in India204
- Mainframe modernization companies based in the United Kingdom65
- Mainframe modernization companies based in Germany59
- Mainframe modernization companies based in Canada47
- Mainframe modernization companies based in Australia46
- Mainframe modernization companies based in France31
Cities
Questions about this company list
What does Exact match mean for mainframe modernization companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many mainframe modernization companies did RevenueBase find worldwide?
The saved snapshot records 1,428 matching company records, 196,215 tracked contacts and 53,413 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 mainframe modernization companies worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/mainframe-modernization-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗