Company lists · Data refreshed November 2026
Top 24 Mainframe modernization consultants based in the United States
RevenueBase identified 1,457 company matches for mainframe modernization consultants associated with the United States as of November 2026 and tracks 81,618 professional contacts across them, including 20,215 with verified work emails. New York is the largest hub.
This list covers company matches for mainframe modernization consultants associated with the United States, 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.
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 24 largest mainframe modernization consultants based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 | |||||
| 2 | 3,490 contacts → | ||||
Exact match “AHEAD accelerates strategy into execution by engineering integrated solutions across infrastructure, applications, data, and security.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 1,978 contacts → | ||||
Exact match “Jade Global is a leading AI native digital transformation company enabling enterprises become AI ready by optimizing operations and accelerating business outcomes through…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 1,063 contacts → | ||||
Exact match “IBM i is evolving.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 889 contacts → | ||||
Exact match “Tanisha Systems, founded in 2002 in Massachusetts-USA, is a leading provider of Custom Application Development and end-to-end IT Services to clients globally.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 763 contacts → | ||||
Exact match “At Net at Work, we help organizations unleash the power of their business performance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 706 contacts → | ||||
Exact match “TSG is a technology consulting and services partner that helps organizations move faster, operate smarter, and extract greater value from technology investments in rapidly…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 603 contacts → | ||||
Exact match “SrinSoft is a leading IT consulting & engineering firm specializing in digital transformation, software development, and engineering solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 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 | |||||
| 10 | 521 contacts → | ||||
Exact match “Hitachi Solutions is a global IT consulting and services firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 432 contacts → | ||||
Exact match “When we look at the way enterprises operate today, we see a fundamental challenge.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 419 contacts → | ||||
Exact match “RSD is now a part of Rocket Software.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 414 contacts → | ||||
Exact match “Incorporated in the year 2003 at New Jersey, USA, Intone Networks Inc.(Intone) is an ISO 27001:2013 and 9001:2015 certified leading IT consulting firm, specializing on IT…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 409 contacts → | ||||
Exact match “AIM Consulting, an Addison Group company, is an award-winning industry leader in technology consulting and solutions delivery.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 403 contacts → | ||||
Exact match “VIVA USA Inc.(VIVA), certified Woman and Minority Owned, is a Technology and IT consulting company based in the greater Chicago area.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 336 contacts → | ||||
Exact match “SiRA Consulting is a Certified MBE consulting company that was founded in 2012.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 273 contacts → | ||||
Exact match “Kforce Global Solutions provides a highly focused suite of IT services and solutions centered on a “Build, Manage, Modernize” service model for software applications.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 247 contacts → | ||||
Exact match “Founded in 2004, Reliable Software is a solutions firm with a suite of offerings to help Clients Modernize their operations through Digital Technology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 226 contacts → | ||||
Exact match “Infobahn specializes in full-lifecycle project and consulting efforts conducted in strategic partnership with some of the world's most prominent companies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 221 contacts → | ||||
Exact match “CubeSimple helps businesses thrive and get started on their digital transformation journey, to unleash the true power of technology and achieve operational excellence.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 215 contacts → | ||||
Exact match “Creospan is a technology and engineering consultancy that helps organizations turn complex ideas into scalable, working systems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 208 contacts → | ||||
Exact match “Astadia is the industry leader for mainframe migrations and modernizations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 201 contacts → | ||||
Exact match “Weidenhammer is the strategy‑first technology consultancy built for the middle market.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 192 contacts → | ||||
Exact match “Evoluytz is an award-winning IT consulting firm that delivers custom technical solutions designed to transform businesses and help IT experts realize their full potential.” 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 consultants”. 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 24 of 1,457 mainframe modernization consultants based in the United States
See the full list, filter by size, metro and specialty, and access 20,215 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Mainframe modernization consultants based in the United States at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,457 companies.
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.
- What qualifies
- Company records associated with the United States whose business descriptions match “mainframe modernization consultants” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 20,215 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 consultants by metro
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 consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many mainframe modernization consultants are there based in the United States?
RevenueBase identified 1,457 company matches for mainframe modernization consultants associated with the United States 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?
Ensono tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most mainframe modernization consultants?
New York leads with 46 company records, followed by Houston (36) and Atlanta (28).
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 20,215 professional contacts with verified work emails tracked across these 1,457 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 1,457 mainframe modernization consultants based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Mainframe modernization consultants by geography
- Mainframe modernization consultants based in Sydney, Australia
- Mainframe modernization consultants based in Sao Paulo, Brazil
- Mainframe modernization consultants based in Toronto, Canada
- Mainframe modernization consultants based in Paris, France
- Mainframe modernization consultants based in Bangalore, India
- Mainframe modernization consultants based in Hyderabad, India
- Mainframe modernization consultants based in Noida, India
- Mainframe modernization consultants based in Pune, India
- Mainframe modernization consultants based in Madrid, Spain
- Mainframe modernization consultants based in Dubai, United Arab Emirates
- Mainframe modernization consultants based in London, United Kingdom
- Mainframe modernization consultants based in Atlanta, United States
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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Mainframe modernization consultants based in Sydney, Australia
- Mainframe modernization consultants based in Sao Paulo, Brazil
- Mainframe modernization consultants based in Toronto, Canada
- Mainframe modernization consultants based in Paris, France
- Mainframe modernization consultants based in Bangalore, India
- Mainframe modernization consultants based in Hyderabad, India
Company intelligence · public preview
Top 24 mainframe modernization consultants based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,457 matching company records for mainframe modernization consultants based in the United States, with 81,618 tracked contacts and 20,215 verified work emails.
This public preview shows 24 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 24 mainframe modernization consultants based in the United States
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 |  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. | |||||
| 2 |  AHEADahead.comHQ: Chicago, IL, United StatesReported employees: 1,001-5,000 | Chicago, IL, United States | 1,001-5,000 | Exact match | 3,490 contacts → |
“AHEAD accelerates strategy into execution by engineering integrated solutions across infrastructure, applications, data, and security.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Jade Globaljadeglobal.comHQ: San Jose, UT, United StatesReported employees: 1,001-5,000 | San Jose, UT, United States | 1,001-5,000 | Exact match | 1,978 contacts → |
“Jade Global is a leading AI native digital transformation company enabling enterprises become AI ready by optimizing operations and accelerating business outcomes through…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  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. | |||||
| 5 |  Tanisha Systems, INCtanishasystems.comHQ: Boston, NY, United StatesReported employees: 1,001-5,000 | Boston, NY, United States | 1,001-5,000 | Exact match | 889 contacts → |
“Tanisha Systems, founded in 2002 in Massachusetts-USA, is a leading provider of Custom Application Development and end-to-end IT Services to clients globally.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  NET At Worknetatwork.comHQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 763 contacts → |
“At Net at Work, we help organizations unleash the power of their business performance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  The Select Groupselectgroup.comHQ: Raleigh, NC, United StatesReported employees: 1,001-5,000 | Raleigh, NC, United States | 1,001-5,000 | Exact match | 706 contacts → |
“TSG is a technology consulting and services partner that helps organizations move faster, operate smarter, and extract greater value from technology investments in rapidly…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Srinsoft INCsrinsofttech.comHQ: Boca Raton, FL, United StatesReported employees: 501-1,000 | Boca Raton, FL, United States | 501-1,000 | Exact match | 603 contacts → |
“SrinSoft is a leading IT consulting & engineering firm specializing in digital transformation, software development, and engineering solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  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. | |||||
| 10 |  Hitachi Solutions Americahitachi-solutions.comHQ: Irvine, TN, United StatesReported employees: 501-1,000 | Irvine, TN, United States | 501-1,000 | Exact match | 521 contacts → |
“Hitachi Solutions is a global IT consulting and services firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Softweb Solutions Inc.softwebsolutions.comHQ: Plano, TX, United StatesReported employees: 501-1,000 | Plano, TX, United States | 501-1,000 | Exact match | 432 contacts → |
“When we look at the way enterprises operate today, we see a fundamental challenge.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  RSDrocketsoftware.comHQ: Waltham, MA, United StatesReported employees: 1,001-5,000 | Waltham, MA, United States | 1,001-5,000 | Exact match | 419 contacts → |
“RSD is now a part of Rocket Software.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Intoneintone.comHQ: Iselin, TX, United StatesReported employees: 501-1,000 | Iselin, TX, United States | 501-1,000 | Exact match | 414 contacts → |
“Incorporated in the year 2003 at New Jersey, USA, Intone Networks Inc.(Intone) is an ISO 27001:2013 and 9001:2015 certified leading IT consulting firm, specializing on IT…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  AIM Consulting Groupaimconsulting.comHQ: Bellevue, CO, United StatesReported employees: 501-1,000 | Bellevue, CO, United States | 501-1,000 | Exact match | 409 contacts → |
“AIM Consulting, an Addison Group company, is an award-winning industry leader in technology consulting and solutions delivery.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Viva USA INCviva-it.comHQ: Rolling Meadows, IL, United StatesReported employees: 501-1,000 | Rolling Meadows, IL, United States | 501-1,000 | Exact match | 403 contacts → |
“VIVA USA Inc.(VIVA), certified Woman and Minority Owned, is a Technology and IT consulting company based in the greater Chicago area.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Sira Consulting, An INC 5000 Companysiraconsultinginc.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 336 contacts → |
“SiRA Consulting is a Certified MBE consulting company that was founded in 2012.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Kforce Global Solutions, INCkforceglobal.comHQ: Tampa, FL, United StatesReported employees: 501-1,000 | Tampa, FL, United States | 501-1,000 | Exact match | 273 contacts → |
“Kforce Global Solutions provides a highly focused suite of IT services and solutions centered on a “Build, Manage, Modernize” service model for software applications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Reliable Softwarersrit.comHQ: Northville, MI, United StatesReported employees: 1,001-5,000 | Northville, MI, United States | 1,001-5,000 | Exact match | 247 contacts → |
“Founded in 2004, Reliable Software is a solutions firm with a suite of offerings to help Clients Modernize their operations through Digital Technology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Infobahn Softworld INCinfobahnsw.comHQ: San Jose, IL, United StatesReported employees: 1,001-5,000 | San Jose, IL, United States | 1,001-5,000 | Exact match | 226 contacts → |
“Infobahn specializes in full-lifecycle project and consulting efforts conducted in strategic partnership with some of the world's most prominent companies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Cubesimplecubesimple.comHQ: Mckinney, TX, United StatesReported employees: 51-200 | Mckinney, TX, United States | 51-200 | Exact match | 221 contacts → |
“CubeSimple helps businesses thrive and get started on their digital transformation journey, to unleash the true power of technology and achieve operational excellence.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Creospan INCcreospan.comHQ: Schaumburg, IL, United StatesReported employees: 201-500 | Schaumburg, IL, United States | 201-500 | Exact match | 215 contacts → |
“Creospan is a technology and engineering consultancy that helps organizations turn complex ideas into scalable, working systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Astadiaastadia.comHQ: St. Louis, MO, United StatesReported employees: 201-500 | St. Louis, MO, United States | 201-500 | Exact match | 208 contacts → |
“Astadia is the industry leader for mainframe migrations and modernizations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Weidenhammerhammer.netHQ: Wyomissing, PA, United StatesReported employees: 51-200 | Wyomissing, PA, United States | 51-200 | Exact match | 201 contacts → |
“Weidenhammer is the strategy‑first technology consultancy built for the middle market.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Evolutyz Corpevolutyz.comHQ: Naperville, IL, United StatesReported employees: 201-500 | Naperville, IL, United States | 201-500 | Exact match | 192 contacts → |
“Evoluytz is an award-winning IT consulting firm that delivers custom technical solutions designed to transform businesses and help IT experts realize their full potential.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 1,457 company matches
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Mainframe modernization consultants: 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
1,454 records in the displayed employee bands.
3 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,457 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 consultants by metro
Questions about this company list
What does Exact match mean for mainframe modernization consultants?
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 consultants did RevenueBase find based in the United States?
The saved snapshot records 1,457 matching company records, 81,618 tracked contacts and 20,215 verified emails. The public preview displays 24 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.
Related lists
Mainframe modernization consultants by geography
- Mainframe modernization consultants based in Sydney, Australia
- Mainframe modernization consultants based in Sao Paulo, Brazil
- Mainframe modernization consultants based in Toronto, Canada
- Mainframe modernization consultants based in Paris, France
- Mainframe modernization consultants based in Bangalore, India
- Mainframe modernization consultants based in Hyderabad, India
- Mainframe modernization consultants based in Noida, India
- Mainframe modernization consultants based in Pune, India
- Mainframe modernization consultants based in Madrid, Spain
- Mainframe modernization consultants based in Dubai, United Arab Emirates
- Mainframe modernization consultants based in London, United Kingdom
- Mainframe modernization consultants based in Atlanta, United States
Cite this list
RevenueBase Data Team. Top 24 mainframe modernization consultants based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/mainframe-modernization-consultants/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Mainframe modernization consultants based in Sydney, Australia
- Mainframe modernization consultants based in Sao Paulo, Brazil
- Mainframe modernization consultants based in Toronto, Canada
- Mainframe modernization consultants based in Paris, France
- Mainframe modernization consultants based in Bangalore, India
- Mainframe modernization consultants based in Hyderabad, India
Company intelligence · public preview
Top 24 mainframe modernization consultants based in the United States
RevenueBase records 1,457 matching company records for mainframe modernization consultants based in the United States, with 81,618 tracked contacts and 20,215 verified work emails.
This public preview shows 24 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 24 mainframe modernization consultants based in the United States
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 | 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. | |||||
| 2 | AHEADahead.com HQ: Chicago, IL, United StatesReported employees: 1,001-5,000 | Chicago, IL, United States | 1,001-5,000 | Exact match | 3,490 contacts → |
“AHEAD accelerates strategy into execution by engineering integrated solutions across infrastructure, applications, data, and security.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Jade Globaljadeglobal.com HQ: San Jose, UT, United StatesReported employees: 1,001-5,000 | San Jose, UT, United States | 1,001-5,000 | Exact match | 1,978 contacts → |
“Jade Global is a leading AI native digital transformation company enabling enterprises become AI ready by optimizing operations and accelerating business outcomes through…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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. | |||||
| 5 | Tanisha Systems, INCtanishasystems.com HQ: Boston, NY, United StatesReported employees: 1,001-5,000 | Boston, NY, United States | 1,001-5,000 | Exact match | 889 contacts → |
“Tanisha Systems, founded in 2002 in Massachusetts-USA, is a leading provider of Custom Application Development and end-to-end IT Services to clients globally.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | NET At Worknetatwork.com HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 763 contacts → |
“At Net at Work, we help organizations unleash the power of their business performance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | The Select Groupselectgroup.com HQ: Raleigh, NC, United StatesReported employees: 1,001-5,000 | Raleigh, NC, United States | 1,001-5,000 | Exact match | 706 contacts → |
“TSG is a technology consulting and services partner that helps organizations move faster, operate smarter, and extract greater value from technology investments in rapidly…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Srinsoft INCsrinsofttech.com HQ: Boca Raton, FL, United StatesReported employees: 501-1,000 | Boca Raton, FL, United States | 501-1,000 | Exact match | 603 contacts → |
“SrinSoft is a leading IT consulting & engineering firm specializing in digital transformation, software development, and engineering solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 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. | |||||
| 10 | Hitachi Solutions Americahitachi-solutions.com HQ: Irvine, TN, United StatesReported employees: 501-1,000 | Irvine, TN, United States | 501-1,000 | Exact match | 521 contacts → |
“Hitachi Solutions is a global IT consulting and services firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Softweb Solutions Inc.softwebsolutions.com HQ: Plano, TX, United StatesReported employees: 501-1,000 | Plano, TX, United States | 501-1,000 | Exact match | 432 contacts → |
“When we look at the way enterprises operate today, we see a fundamental challenge.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | RSDrocketsoftware.com HQ: Waltham, MA, United StatesReported employees: 1,001-5,000 | Waltham, MA, United States | 1,001-5,000 | Exact match | 419 contacts → |
“RSD is now a part of Rocket Software.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Intoneintone.com HQ: Iselin, TX, United StatesReported employees: 501-1,000 | Iselin, TX, United States | 501-1,000 | Exact match | 414 contacts → |
“Incorporated in the year 2003 at New Jersey, USA, Intone Networks Inc.(Intone) is an ISO 27001:2013 and 9001:2015 certified leading IT consulting firm, specializing on IT…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | AIM Consulting Groupaimconsulting.com HQ: Bellevue, CO, United StatesReported employees: 501-1,000 | Bellevue, CO, United States | 501-1,000 | Exact match | 409 contacts → |
“AIM Consulting, an Addison Group company, is an award-winning industry leader in technology consulting and solutions delivery.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Viva USA INCviva-it.com HQ: Rolling Meadows, IL, United StatesReported employees: 501-1,000 | Rolling Meadows, IL, United States | 501-1,000 | Exact match | 403 contacts → |
“VIVA USA Inc.(VIVA), certified Woman and Minority Owned, is a Technology and IT consulting company based in the greater Chicago area.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Sira Consulting, An INC 5000 Companysiraconsultinginc.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 336 contacts → |
“SiRA Consulting is a Certified MBE consulting company that was founded in 2012.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Kforce Global Solutions, INCkforceglobal.com HQ: Tampa, FL, United StatesReported employees: 501-1,000 | Tampa, FL, United States | 501-1,000 | Exact match | 273 contacts → |
“Kforce Global Solutions provides a highly focused suite of IT services and solutions centered on a “Build, Manage, Modernize” service model for software applications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Reliable Softwarersrit.com HQ: Northville, MI, United StatesReported employees: 1,001-5,000 | Northville, MI, United States | 1,001-5,000 | Exact match | 247 contacts → |
“Founded in 2004, Reliable Software is a solutions firm with a suite of offerings to help Clients Modernize their operations through Digital Technology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Infobahn Softworld INCinfobahnsw.com HQ: San Jose, IL, United StatesReported employees: 1,001-5,000 | San Jose, IL, United States | 1,001-5,000 | Exact match | 226 contacts → |
“Infobahn specializes in full-lifecycle project and consulting efforts conducted in strategic partnership with some of the world's most prominent companies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Cubesimplecubesimple.com HQ: Mckinney, TX, United StatesReported employees: 51-200 | Mckinney, TX, United States | 51-200 | Exact match | 221 contacts → |
“CubeSimple helps businesses thrive and get started on their digital transformation journey, to unleash the true power of technology and achieve operational excellence.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Creospan INCcreospan.com HQ: Schaumburg, IL, United StatesReported employees: 201-500 | Schaumburg, IL, United States | 201-500 | Exact match | 215 contacts → |
“Creospan is a technology and engineering consultancy that helps organizations turn complex ideas into scalable, working systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Astadiaastadia.com HQ: St. Louis, MO, United StatesReported employees: 201-500 | St. Louis, MO, United States | 201-500 | Exact match | 208 contacts → |
“Astadia is the industry leader for mainframe migrations and modernizations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Weidenhammerhammer.net HQ: Wyomissing, PA, United StatesReported employees: 51-200 | Wyomissing, PA, United States | 51-200 | Exact match | 201 contacts → |
“Weidenhammer is the strategy‑first technology consultancy built for the middle market.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Evolutyz Corpevolutyz.com HQ: Naperville, IL, United StatesReported employees: 201-500 | Naperville, IL, United States | 201-500 | Exact match | 192 contacts → |
“Evoluytz is an award-winning IT consulting firm that delivers custom technical solutions designed to transform businesses and help IT experts realize their full potential.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Mainframe modernization consultants: 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
1,454 records in the displayed employee bands.
3 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,457 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 consultants by metro
Questions about this company list
What does Exact match mean for mainframe modernization consultants?
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 consultants did RevenueBase find based in the United States?
The saved snapshot records 1,457 matching company records, 81,618 tracked contacts and 20,215 verified emails. The public preview displays 24 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.
Related lists
Mainframe modernization consultants by geography
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- Mainframe modernization consultants based in Toronto, Canada
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- Mainframe modernization consultants based in Hyderabad, India
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- Mainframe modernization consultants based in Pune, India
- Mainframe modernization consultants based in Madrid, Spain
- Mainframe modernization consultants based in Dubai, United Arab Emirates
- Mainframe modernization consultants based in London, United Kingdom
- Mainframe modernization consultants based in Atlanta, United States
Cite this list
RevenueBase Data Team. Top 24 mainframe modernization consultants based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/mainframe-modernization-consultants/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Mainframe modernization consultants based in Sydney, Australia
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