Company lists · Data refreshed September 2026
Top 25 Tier 1 IT companies worldwide
RevenueBase identified 4,298 company matches for tier 1 IT companies worldwide as of September 2026 and tracks 1,589,679 professional contacts across them, including 385,902 with verified work emails. India is the largest market and Hyderabad the largest hub.
This list covers company matches for tier 1 IT 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 21, 2026. Country and city lists for tier 1 IT 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 tier 1 IT companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 551,347 contacts → | ||||
Exact match “Accenture helps the world’s leading enterprises reinvent by building their digital core and unleashing the power of AI to create value at speed for organizations across industries.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 2 | 327,607 contacts → | ||||
Exact match “At IBM, we do more than work.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 3 | 234,037 contacts → | ||||
Exact match “HCLTech is a global technology company, home to more than people across 60 countries, delivering industry-leading capabilities centered around AI, digital, engineering, cloud and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 4 | 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 21, 2026 · View company records in RevenueBase | |||||
| 5 | 36,960 contacts → | ||||
Exact match “Sopra Steria, a major Tech player in Europe with employees in nearly 30 countries, is recognised for its consulting, digital services and solutions.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 6 | 35,232 contacts → | ||||
Exact match “Lenovo is a US$83 billion revenue global technology powerhouse, ranked #196 in the Fortune Global 500, and serving millions of customers every day in 180 markets.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 7 | 22,390 contacts → | ||||
Exact match “NTT DATA, Inc.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 20,238 contacts → | ||||
Exact match “OpenText is a leading Cloud and AI company that provides organizations around the world with a comprehensive suite of Business AI, Business Clouds, and Business Technology.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 9 | 19,268 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 10 | 18,676 contacts → | ||||
Exact match “Unisys is a global technology solutions company that powers breakthroughs for the world’s leading organizations.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 11 | 12,231 contacts → | ||||
Exact match “Everforth Apex Systems, part of the Everforth ™ Network, is a leading global technology services company specializing in customizable industry-specific solutions that turns…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 12 | 9,830 contacts → | ||||
Exact match “A Accenture é uma empresa líder global de serviços profissionais que ajuda grandes companhias, governos e outras organizações a construir sua essência digital, otimizar suas…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 13 | 6,574 contacts → | ||||
Exact match “SoftwareOne is a global software and cloud solutions provider.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 14 | 5,958 contacts → | ||||
Exact match “Customer focused values.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 15 | 4,980 contacts → | ||||
Exact match “matrix is the leading technology services company, employing over professionals worldwide.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 16 | 4,607 contacts → | ||||
Exact match “Our story began in 1987, when our founder, Ranjan Chopra, an alumnus of IIT Kanpur, set out to bridge the gap between business needs and IT solutions in India.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 17 | 3,655 contacts → | ||||
Exact match “Atos er en international IT-serviceleverandør med en årlig omsætning i 2012 på 8.8 milliarder EUR og 76.400 medarbejdere i 47 lande.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 18 | 3,187 contacts → | ||||
Exact match “We are BABEL, an international team of professionals highly specialised in cutting-edge technologies.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 19 | 3,153 contacts → | ||||
Exact match “Inspur group is China's leading cloud computing, big data service provider with three listed companies: Inspur Information, Inspur Software and Inspur International, covering four…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 20 | 3,051 contacts → | ||||
Exact match “MOURI Tech - the global enterprise IT services provider, established in 2005, has been offering innovative solutions underscoring client success, with unwavering commitment.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 21 | 2,714 contacts → | ||||
Exact match “Miracle Software Systems is a global IT services company that has been consistently delivering true value for businesses for the past 29 years.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 22 | 2,576 contacts → | ||||
Exact match “En T-Systems, encontrarás proyectos rompedores que suman al bienestar social y ecológico.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 23 | 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 21, 2026 · View company records in RevenueBase | |||||
| 24 | 2,359 contacts → | ||||
Exact match “Beyondsoft Consulting is a leading global mid-sized business IT and consulting company that combines modern technologies and proven methodologies to tailor solutions that move…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 25 | 2,215 contacts → | ||||
Exact match “Astreya is the leading IT solutions provider for some of the world's most recognizable and innovative organizations.” Recorded in the RevenueBase company graph · Sep 21, 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 “tier 1 IT 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 4,298 tier 1 IT companies worldwide
See the full list, filter by size, metro and specialty, and access 385,902 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Tier 1 IT companies worldwide at a glance
As of Sep 21, 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 tier 1 IT companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “tier 1 IT 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 385,902 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 21, 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.
Tier 1 IT companies by location
28 lists · largest firstEvery Tier 1 IT companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Tier 1 IT companies based in India827
- Tier 1 IT companies based in the United States717
- Tier 1 IT companies based in Brazil179
- Tier 1 IT companies based in the United Kingdom164
- Tier 1 IT companies based in China119
- Tier 1 IT companies based in Germany110
- Tier 1 IT companies based in Canada76
- Tier 1 IT companies based in the United Arab Emirates69
- Tier 1 IT companies based in France68
- Tier 1 IT companies based in Türkiye68
- Tier 1 IT companies based in Italy57
- Tier 1 IT companies based in Spain57
- Tier 1 IT companies based in Australia55
- Tier 1 IT companies based in Mexico47
- Tier 1 IT companies based in Japan41
- Tier 1 IT companies based in Indonesia39
- Tier 1 IT companies based in Saudi Arabia35
- Tier 1 IT companies based in the Netherlands32
- Tier 1 IT companies based in South Africa30
- Tier 1 IT companies based in the Philippines25
Cities
- Tier 1 IT companies based in Hyderabad, India78
- Tier 1 IT companies based in Pune, India72
- Tier 1 IT companies based in Noida, India49
- Tier 1 IT companies based in Chennai, India44
- Tier 1 IT companies based in New Delhi, India39
- Tier 1 IT companies based in Bangalore, India35
- Tier 1 IT companies based in Mumbai, India35
- Tier 1 IT companies based in Ahmedabad, India25
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 “tier 1 IT companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many tier 1 IT companies are there worldwide?
RevenueBase identified 4,298 company matches for tier 1 IT 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?
Accenture tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most tier 1 IT companies?
India leads with 827 companies, followed by the United States (717) and Brazil (179). Every tier 1 IT companies list by country and city is linked on this page.
Which city has the most tier 1 IT companies?
Hyderabad leads with 78 company records, followed by Pune (72) and London (65).
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 385,902 professional contacts with verified work emails tracked across these 4,298 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 21, 2026.
Ready to reach these companies? Verified emails and direct dials for all 4,298 tier 1 IT 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.
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Company intelligence · public preview
Top 25 tier 1 IT 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 4,298 matching company records for tier 1 IT companies worldwide, with 1,589,679 tracked contacts and 385,902 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: September 21, 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 tier 1 IT 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 |  Accentureaccenture.comHQ: Dublin 2, IrelandReported employees: 10001+ | Dublin 2, Ireland | 10001+ | Exact match | 551,347 contacts → |
“Accenture helps the world’s leading enterprises reinvent by building their digital core and unleashing the power of AI to create value at speed for organizations across industries.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  IBMibm.comHQ: Armonk, NY, United StatesReported employees: 10001+ | Armonk, NY, United States | 10001+ | Exact match | 327,607 contacts → |
“At IBM, we do more than work.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Hcltechhcltech.comHQ: Noida, CA, IndiaReported employees: 10001+ | Noida, CA, India | 10001+ | Exact match | 234,037 contacts → |
“HCLTech is a global technology company, home to more than people across 60 countries, delivering industry-leading capabilities centered around AI, digital, engineering, cloud and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  DXC Technologydxc.comHQ: Ashburn, VA, United StatesReported employees: 10001+ | Ashburn, VA, United States | 10001+ | Exact match | 82,768 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Sopra Steriasoprasteria.comHQ: Paris, FranceReported employees: 10001+ | Paris, France | 10001+ | Exact match | 36,960 contacts → |
“Sopra Steria, a major Tech player in Europe with employees in nearly 30 countries, is recognised for its consulting, digital services and solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Lenovolenovo.comHQ: Morrisville, NC, United StatesReported employees: 10001+ | Morrisville, NC, United States | 10001+ | Exact match | 35,232 contacts → |
“Lenovo is a US$83 billion revenue global technology powerhouse, ranked #196 in the Fortune Global 500, and serving millions of customers every day in 180 markets.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  NTT Data North Americanttdata.comHQ: Plano, TX, United StatesReported employees: 10001+ | Plano, TX, United States | 10001+ | Exact match | 22,390 contacts → |
“NTT DATA, Inc.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Opentextopentext.comHQ: Waterloo, ON, CanadaReported employees: 10001+ | Waterloo, ON, Canada | 10001+ | Exact match | 20,238 contacts → |
“OpenText is a leading Cloud and AI company that provides organizations around the world with a comprehensive suite of Business AI, Business Clouds, and Business Technology.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  NTT Data, INCservices.global.nttHQ: Tokyo, JapanReported employees: 10001+ | Tokyo, Japan | 10001+ | Exact match | 19,268 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 |  Unisysunisys.comHQ: Blue Bell, PA, United StatesReported employees: 10001+ | Blue Bell, PA, United States | 10001+ | Exact match | 18,676 contacts → |
“Unisys is a global technology solutions company that powers breakthroughs for the world’s leading organizations.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Apex Systemsapexsystems.comHQ: Glen Allen, VA, United StatesReported employees: 1,001-5,000 | Glen Allen, VA, United States | 1,001-5,000 | Exact match | 12,231 contacts → |
“Everforth Apex Systems, part of the Everforth ™ Network, is a leading global technology services company specializing in customizable industry-specific solutions that turns…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Accenture Brasilaccenture.com.brHQ: São Paulo, BrazilReported employees: 10001+ | São Paulo, Brazil | 10001+ | Exact match | 9,830 contacts → |
“A Accenture é uma empresa líder global de serviços profissionais que ajuda grandes companhias, governos e outras organizações a construir sua essência digital, otimizar suas…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Softwareonesoftwareone.comHQ: Stans, FranceReported employees: 5,001-10,000 | Stans, France | 5,001-10,000 | Exact match | 6,574 contacts → |
“SoftwareOne is a global software and cloud solutions provider.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Datacomdatacom.comHQ: Auckland, New ZealandReported employees: 5,001-10,000 | Auckland, New Zealand | 5,001-10,000 | Exact match | 5,958 contacts → |
“Customer focused values.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Matrixmatrix-globalservices.comHQ: Kfar Saba, IsraelReported employees: 10001+ | Kfar Saba, Israel | 10001+ | Exact match | 4,980 contacts → |
“matrix is the leading technology services company, employing over professionals worldwide.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Team Computersteamcomputers.comHQ: New Delhi, IndiaReported employees: 1,001-5,000 | New Delhi, India | 1,001-5,000 | Exact match | 4,607 contacts → |
“Our story began in 1987, when our founder, Ranjan Chopra, an alumnus of IIT Kanpur, set out to bridge the gap between business needs and IT solutions in India.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Atos IT Solutions And Services A Sdk.atos.netHQ: Taastrup, DenmarkReported employees: Not recorded | Taastrup, Denmark | Not recorded | Exact match | 3,655 contacts → |
“Atos er en international IT-serviceleverandør med en årlig omsætning i 2012 på 8.8 milliarder EUR og 76.400 medarbejdere i 47 lande.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  BABELbabelgroup.comHQ: Las Rozas De Madrid, SpainReported employees: 1,001-5,000 | Las Rozas De Madrid, Spain | 1,001-5,000 | Exact match | 3,187 contacts → |
“We are BABEL, an international team of professionals highly specialised in cutting-edge technologies.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Inspur Groupinspur.comHQ: Jinan, ChinaReported employees: 10001+ | Jinan, China | 10001+ | Exact match | 3,153 contacts → |
“Inspur group is China's leading cloud computing, big data service provider with three listed companies: Inspur Information, Inspur Software and Inspur International, covering four…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Mouri Techmouritech.comHQ: Irving, TX, United StatesReported employees: 1,001-5,000 | Irving, TX, United States | 1,001-5,000 | Exact match | 3,051 contacts → |
“MOURI Tech - the global enterprise IT services provider, established in 2005, has been offering innovative solutions underscoring client success, with unwavering commitment.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Miracle Software Systems, INCmiraclesoft.comHQ: Novi, MI, United StatesReported employees: 1,001-5,000 | Novi, MI, United States | 1,001-5,000 | Exact match | 2,714 contacts → |
“Miracle Software Systems is a global IT services company that has been consistently delivering true value for businesses for the past 29 years.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  T-Systems Iberiat-systems.comHQ: Barcelona, SpainReported employees: 1,001-5,000 | Barcelona, Spain | 1,001-5,000 | Exact match | 2,576 contacts → |
“En T-Systems, encontrarás proyectos rompedores que suman al bienestar social y ecológico.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Mitra Integrasi Informatika, PTmii.co.idHQ: Jakarta, IndonesiaReported employees: 1,001-5,000 | Jakarta, Indonesia | 1,001-5,000 | Exact match | 2,517 contacts → |
“Mitra Integrasi Informatika (“MII”), established in 1996 as a subsidiary of the publicly listed PT Metrodata Electronics, Tbk.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Beyondsoftbeyondsoft.comHQ: Bellevue, WA, United StatesReported employees: 501-1,000 | Bellevue, WA, United States | 501-1,000 | Exact match | 2,359 contacts → |
“Beyondsoft Consulting is a leading global mid-sized business IT and consulting company that combines modern technologies and proven methodologies to tailor solutions that move…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Astreyaastreya.comHQ: San Jose, CA, United StatesReported employees: 1,001-5,000 | San Jose, CA, United States | 1,001-5,000 | Exact match | 2,215 contacts → |
“Astreya is the leading IT solutions provider for some of the world's most recognizable and innovative organizations.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 4,298 company matches
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Tier 1 IT companies: dataset insights
September 21, 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
4,288 records in the displayed employee bands.
10 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 4,298 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: September 21, 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 ↗
Tier 1 IT companies by location
28 lists · largest firstEvery Tier 1 IT companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Tier 1 IT companies based in India827
- Tier 1 IT companies based in the United States717
- Tier 1 IT companies based in Brazil179
- Tier 1 IT companies based in the United Kingdom164
- Tier 1 IT companies based in China119
- Tier 1 IT companies based in Germany110
- Tier 1 IT companies based in Canada76
- Tier 1 IT companies based in the United Arab Emirates69
- Tier 1 IT companies based in France68
- Tier 1 IT companies based in Türkiye68
- Tier 1 IT companies based in Italy57
- Tier 1 IT companies based in Spain57
- Tier 1 IT companies based in Australia55
- Tier 1 IT companies based in Mexico47
- Tier 1 IT companies based in Japan41
- Tier 1 IT companies based in Indonesia39
- Tier 1 IT companies based in Saudi Arabia35
- Tier 1 IT companies based in the Netherlands32
- Tier 1 IT companies based in South Africa30
- Tier 1 IT companies based in the Philippines25
Cities
- Tier 1 IT companies based in Hyderabad, India78
- Tier 1 IT companies based in Pune, India72
- Tier 1 IT companies based in Noida, India49
- Tier 1 IT companies based in Chennai, India44
- Tier 1 IT companies based in New Delhi, India39
- Tier 1 IT companies based in Bangalore, India35
- Tier 1 IT companies based in Mumbai, India35
- Tier 1 IT companies based in Ahmedabad, India25
Questions about this company list
What does Exact match mean for tier 1 IT 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 tier 1 IT companies did RevenueBase find worldwide?
The saved snapshot records 4,298 matching company records, 1,589,679 tracked contacts and 385,902 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: September 21, 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 tier 1 IT companies worldwide. Snapshot: September 21, 2026. https://revenuebase.ai/companies/browse/tier-1-it-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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Top 25 tier 1 IT companies worldwide
RevenueBase records 4,298 matching company records for tier 1 IT companies worldwide, with 1,589,679 tracked contacts and 385,902 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: September 21, 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 tier 1 IT 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 | Accentureaccenture.com HQ: Dublin 2, IrelandReported employees: 10001+ | Dublin 2, Ireland | 10001+ | Exact match | 551,347 contacts → |
“Accenture helps the world’s leading enterprises reinvent by building their digital core and unleashing the power of AI to create value at speed for organizations across industries.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | IBMibm.com HQ: Armonk, NY, United StatesReported employees: 10001+ | Armonk, NY, United States | 10001+ | Exact match | 327,607 contacts → |
“At IBM, we do more than work.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Hcltechhcltech.com HQ: Noida, CA, IndiaReported employees: 10001+ | Noida, CA, India | 10001+ | Exact match | 234,037 contacts → |
“HCLTech is a global technology company, home to more than people across 60 countries, delivering industry-leading capabilities centered around AI, digital, engineering, cloud and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | DXC Technologydxc.com HQ: Ashburn, VA, United StatesReported employees: 10001+ | Ashburn, VA, United States | 10001+ | Exact match | 82,768 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Sopra Steriasoprasteria.com HQ: Paris, FranceReported employees: 10001+ | Paris, France | 10001+ | Exact match | 36,960 contacts → |
“Sopra Steria, a major Tech player in Europe with employees in nearly 30 countries, is recognised for its consulting, digital services and solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Lenovolenovo.com HQ: Morrisville, NC, United StatesReported employees: 10001+ | Morrisville, NC, United States | 10001+ | Exact match | 35,232 contacts → |
“Lenovo is a US$83 billion revenue global technology powerhouse, ranked #196 in the Fortune Global 500, and serving millions of customers every day in 180 markets.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | NTT Data North Americanttdata.com HQ: Plano, TX, United StatesReported employees: 10001+ | Plano, TX, United States | 10001+ | Exact match | 22,390 contacts → |
“NTT DATA, Inc.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Opentextopentext.com HQ: Waterloo, ON, CanadaReported employees: 10001+ | Waterloo, ON, Canada | 10001+ | Exact match | 20,238 contacts → |
“OpenText is a leading Cloud and AI company that provides organizations around the world with a comprehensive suite of Business AI, Business Clouds, and Business Technology.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | NTT Data, INCservices.global.ntt HQ: Tokyo, JapanReported employees: 10001+ | Tokyo, Japan | 10001+ | Exact match | 19,268 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 | Unisysunisys.com HQ: Blue Bell, PA, United StatesReported employees: 10001+ | Blue Bell, PA, United States | 10001+ | Exact match | 18,676 contacts → |
“Unisys is a global technology solutions company that powers breakthroughs for the world’s leading organizations.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Apex Systemsapexsystems.com HQ: Glen Allen, VA, United StatesReported employees: 1,001-5,000 | Glen Allen, VA, United States | 1,001-5,000 | Exact match | 12,231 contacts → |
“Everforth Apex Systems, part of the Everforth ™ Network, is a leading global technology services company specializing in customizable industry-specific solutions that turns…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Accenture Brasilaccenture.com.br HQ: São Paulo, BrazilReported employees: 10001+ | São Paulo, Brazil | 10001+ | Exact match | 9,830 contacts → |
“A Accenture é uma empresa líder global de serviços profissionais que ajuda grandes companhias, governos e outras organizações a construir sua essência digital, otimizar suas…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Softwareonesoftwareone.com HQ: Stans, FranceReported employees: 5,001-10,000 | Stans, France | 5,001-10,000 | Exact match | 6,574 contacts → |
“SoftwareOne is a global software and cloud solutions provider.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Datacomdatacom.com HQ: Auckland, New ZealandReported employees: 5,001-10,000 | Auckland, New Zealand | 5,001-10,000 | Exact match | 5,958 contacts → |
“Customer focused values.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Matrixmatrix-globalservices.com HQ: Kfar Saba, IsraelReported employees: 10001+ | Kfar Saba, Israel | 10001+ | Exact match | 4,980 contacts → |
“matrix is the leading technology services company, employing over professionals worldwide.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Team Computersteamcomputers.com HQ: New Delhi, IndiaReported employees: 1,001-5,000 | New Delhi, India | 1,001-5,000 | Exact match | 4,607 contacts → |
“Our story began in 1987, when our founder, Ranjan Chopra, an alumnus of IIT Kanpur, set out to bridge the gap between business needs and IT solutions in India.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Atos IT Solutions And Services A Sdk.atos.net HQ: Taastrup, DenmarkReported employees: Not recorded | Taastrup, Denmark | Not recorded | Exact match | 3,655 contacts → |
“Atos er en international IT-serviceleverandør med en årlig omsætning i 2012 på 8.8 milliarder EUR og 76.400 medarbejdere i 47 lande.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | BABELbabelgroup.com HQ: Las Rozas De Madrid, SpainReported employees: 1,001-5,000 | Las Rozas De Madrid, Spain | 1,001-5,000 | Exact match | 3,187 contacts → |
“We are BABEL, an international team of professionals highly specialised in cutting-edge technologies.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Inspur Groupinspur.com HQ: Jinan, ChinaReported employees: 10001+ | Jinan, China | 10001+ | Exact match | 3,153 contacts → |
“Inspur group is China's leading cloud computing, big data service provider with three listed companies: Inspur Information, Inspur Software and Inspur International, covering four…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Mouri Techmouritech.com HQ: Irving, TX, United StatesReported employees: 1,001-5,000 | Irving, TX, United States | 1,001-5,000 | Exact match | 3,051 contacts → |
“MOURI Tech - the global enterprise IT services provider, established in 2005, has been offering innovative solutions underscoring client success, with unwavering commitment.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Miracle Software Systems, INCmiraclesoft.com HQ: Novi, MI, United StatesReported employees: 1,001-5,000 | Novi, MI, United States | 1,001-5,000 | Exact match | 2,714 contacts → |
“Miracle Software Systems is a global IT services company that has been consistently delivering true value for businesses for the past 29 years.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | T-Systems Iberiat-systems.com HQ: Barcelona, SpainReported employees: 1,001-5,000 | Barcelona, Spain | 1,001-5,000 | Exact match | 2,576 contacts → |
“En T-Systems, encontrarás proyectos rompedores que suman al bienestar social y ecológico.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Mitra Integrasi Informatika, PTmii.co.id HQ: Jakarta, IndonesiaReported employees: 1,001-5,000 | Jakarta, Indonesia | 1,001-5,000 | Exact match | 2,517 contacts → |
“Mitra Integrasi Informatika (“MII”), established in 1996 as a subsidiary of the publicly listed PT Metrodata Electronics, Tbk.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Beyondsoftbeyondsoft.com HQ: Bellevue, WA, United StatesReported employees: 501-1,000 | Bellevue, WA, United States | 501-1,000 | Exact match | 2,359 contacts → |
“Beyondsoft Consulting is a leading global mid-sized business IT and consulting company that combines modern technologies and proven methodologies to tailor solutions that move…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Astreyaastreya.com HQ: San Jose, CA, United StatesReported employees: 1,001-5,000 | San Jose, CA, United States | 1,001-5,000 | Exact match | 2,215 contacts → |
“Astreya is the leading IT solutions provider for some of the world's most recognizable and innovative organizations.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 4,298 company matches
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Tier 1 IT companies: dataset insights
September 21, 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
4,288 records in the displayed employee bands.
10 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 4,298 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: September 21, 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 ↗
Tier 1 IT companies by location
28 lists · largest firstEvery Tier 1 IT companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Tier 1 IT companies based in India827
- Tier 1 IT companies based in the United States717
- Tier 1 IT companies based in Brazil179
- Tier 1 IT companies based in the United Kingdom164
- Tier 1 IT companies based in China119
- Tier 1 IT companies based in Germany110
- Tier 1 IT companies based in Canada76
- Tier 1 IT companies based in the United Arab Emirates69
- Tier 1 IT companies based in France68
- Tier 1 IT companies based in Türkiye68
- Tier 1 IT companies based in Italy57
- Tier 1 IT companies based in Spain57
- Tier 1 IT companies based in Australia55
- Tier 1 IT companies based in Mexico47
- Tier 1 IT companies based in Japan41
- Tier 1 IT companies based in Indonesia39
- Tier 1 IT companies based in Saudi Arabia35
- Tier 1 IT companies based in the Netherlands32
- Tier 1 IT companies based in South Africa30
- Tier 1 IT companies based in the Philippines25
Cities
- Tier 1 IT companies based in Hyderabad, India78
- Tier 1 IT companies based in Pune, India72
- Tier 1 IT companies based in Noida, India49
- Tier 1 IT companies based in Chennai, India44
- Tier 1 IT companies based in New Delhi, India39
- Tier 1 IT companies based in Bangalore, India35
- Tier 1 IT companies based in Mumbai, India35
- Tier 1 IT companies based in Ahmedabad, India25
Questions about this company list
What does Exact match mean for tier 1 IT 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 tier 1 IT companies did RevenueBase find worldwide?
The saved snapshot records 4,298 matching company records, 1,589,679 tracked contacts and 385,902 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: September 21, 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
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Cite this list
RevenueBase Data Team. Top 25 tier 1 IT companies worldwide. Snapshot: September 21, 2026. https://revenuebase.ai/companies/browse/tier-1-it-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗