Company lists · Data refreshed September 2026
Top 25 Legacy dot net modernization firms based in the United States
RevenueBase identified 91 company matches for legacy dot net modernization firms associated with the United States as of September 2026 and tracks 1,366 professional contacts across them, including 467 with verified work emails. Austin is the largest hub.
This list covers company matches for legacy dot net modernization firms 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 September 20, 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 25 largest legacy dot net modernization firms based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 206 contacts → | ||||
Exact match “Astadia is the industry leader for mainframe migrations and modernizations.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 2 | 108 contacts → | ||||
Exact match “Founded in 2001, EvolveWare provides seamless application modernization journeys for enterprises, government organizations and global partners.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 3 | 96 contacts → | ||||
Exact match “Callibrity is the software consultancy helping clients do more with technology.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 4 | 86 contacts → | ||||
Exact match “AQL Technologies is a Microsoft Solutions Partner in Digital App & Innovation and Data & AI providing the highest level of IT expertise and customer satisfaction for the past 15…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 5 | 86 contacts → | ||||
Exact match “Maintain, modernize, and understand your.NET, PHP, & C++ codebase.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 6 | 77 contacts → | ||||
Exact match “Softacom is a full-cycle business app migration and modernization provider.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 7 | 73 contacts → | ||||
Exact match “Ispirer Systems is an international software company that provides the customers with the effective way to improve IT infrastructure.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 8 | 56 contacts → | ||||
Exact match “The CloudFrame Modernization Suite is the most advanced legacy modernization software in the industry.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 9 | 52 contacts → | ||||
Exact match “As a leading provider of software modernization services, TSRI enables technology readiness for the Cloud and other modern architecture environments.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 10 | 51 contacts → | ||||
Exact match “Modern Systems empowers efficiency, agility, and competitive advantage through core application modernization.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 11 | 50 contacts → | ||||
Exact match “We are guided by a singular mission: to be the dependable ally our clients rely on, empowering them to amplify their competitive edge by implementing cutting-edge software…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 12 | 37 contacts → | ||||
Exact match “Updraft is a Chicago-based company providing automated software modernization tools to companies and systems integrators (SIs) needing exceptionally high quality code when…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 13 | 34 contacts → | ||||
Exact match “Clear Measure is a full-service software architecture and engineering firm focused on mission-critical applications built on Microsoft.NET and Azure.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 14 | 20 contacts → | ||||
Exact match “At Eradani, we understand the wisdom of the ancient saying that you cannot know where you are going if you do not understand where you have been.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 15 contacts → | ||||
Exact match “Mertech is a leading provider of application development solutions.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 16 | 13 contacts → | ||||
Exact match “From modernizing legacy systems to implementing cutting-edge platforms, we deliver scalable, reliable, and future-ready solutions that empower businesses to move forward with…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 17 | 12 contacts → | ||||
Exact match “At AveriSource, our mission is to help you achieve your legacy modernization objectives.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 18 | 9 contacts → | ||||
Exact match “Keypress Software Development Group builds custom mission-critical business software and industry-focused SaaS solutions that help organizations streamline operations, modernize…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 19 | 9 contacts → | ||||
Exact match “MARTEX Software, Inc.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 20 | 8 contacts → | ||||
Exact match “We founded Sovereign Systems, LLC in 2016 based on the core values of integrity, hard work, and serving the client's best interest.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 21 | 8 contacts → | ||||
Exact match “Prime TSR is a technology modernization consultancy.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 22 | 8 contacts → | ||||
Exact match “Software Development, Application Development, App Development, Application Migration, Cloud Migration, App Modernization, Database Migration Solutions Architecting, Project…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 23 | 8 contacts → | ||||
Exact match “QX Software Services (QXSS) is a part of the QX group of companies with employees.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 24 | 7 contacts → | ||||
Exact match “YTG is a Veteran-Owned, U.S-based technology consultancy that helps companies modernize legacy systems, migrate to the cloud, and implement AI solutions in Azure.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 25 | 7 contacts → | ||||
Exact match “Unlocking Legacy Code with AI, Automated, Accurate, Future-Ready Updraft, powered by Natsoft, is an AI-driven legacy modernization platform that transforms complex, undocumented…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “legacy dot net modernization firms”. 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 91 legacy dot net modernization firms based in the United States
See the full list, filter by size, metro and specialty, and access 467 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Legacy dot net modernization firms based in the United States at a glance
As of Sep 20, 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 91 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 “legacy dot net modernization firms” 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 467 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 20, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “legacy dot net modernization firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many legacy dot net modernization firms are there based in the United States?
RevenueBase identified 91 company matches for legacy dot net modernization firms associated with the United States 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?
Astadia tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most legacy dot net modernization firms?
Austin leads with 3 company records, followed by Dallas (3) and Houston (3).
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 467 professional contacts with verified work emails tracked across these 91 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.
Ready to reach these companies? Verified emails and direct dials for all 91 legacy dot net modernization firms based in the United States. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
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- AI companies based in the United States
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- Real estate companies based in the United States
Company intelligence · public preview
Top 25 legacy dot net modernization firms 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 91 matching company records for legacy dot net modernization firms based in the United States, with 1,366 tracked contacts and 467 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 20, 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 legacy dot net modernization firms 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 |  Astadiaastadia.comHQ: St. Louis, MO, United StatesReported employees: 201-500 | St. Louis, MO, United States | 201-500 | Exact match | 206 contacts → |
“Astadia is the industry leader for mainframe migrations and modernizations.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Evolveware, INCevolveware.comHQ: Santa Clara, CA, United StatesReported employees: 51-200 | Santa Clara, CA, United States | 51-200 | Exact match | 108 contacts → |
“Founded in 2001, EvolveWare provides seamless application modernization journeys for enterprises, government organizations and global partners.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Callibritycallibrity.comHQ: Cincinnati, OH, United StatesReported employees: 51-200 | Cincinnati, OH, United States | 51-200 | Exact match | 96 contacts → |
“Callibrity is the software consultancy helping clients do more with technology.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | AQL Technologiesaqltech.com HQ: Park Ridge, IL, United StatesReported employees: 51-200 | Park Ridge, IL, United States | 51-200 | Exact match | 86 contacts → |
“AQL Technologies is a Microsoft Solutions Partner in Digital App & Innovation and Data & AI providing the highest level of IT expertise and customer satisfaction for the past 15…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Purecode AIpurecode.aiHQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 86 contacts → |
“Maintain, modernize, and understand your.NET, PHP, & C++ codebase.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Softacomsoftacom.comHQ: Bellevue, WA, United StatesReported employees: 51-200 | Bellevue, WA, United States | 51-200 | Exact match | 77 contacts → |
“Softacom is a full-cycle business app migration and modernization provider.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Ispirer Systemsispirer.comHQ: Dover, DE, United StatesReported employees: 51-200 | Dover, DE, United States | 51-200 | Exact match | 73 contacts → |
“Ispirer Systems is an international software company that provides the customers with the effective way to improve IT infrastructure.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Cloudframecloudframe.comHQ: Princeton, NJ, United StatesReported employees: 51-200 | Princeton, NJ, United States | 51-200 | Exact match | 56 contacts → |
“The CloudFrame Modernization Suite is the most advanced legacy modernization software in the industry.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Kirkland, WA, United StatesReported employees: 11-50 | Kirkland, WA, United States | 11-50 | Exact match | 52 contacts → |
“As a leading provider of software modernization services, TSRI enables technology readiness for the Cloud and other modern architecture environments.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Modern Systems An Advanced Companymodernsystems.oneadvanced.comHQ: Dallas, TX, United StatesReported employees: 51-200 | Dallas, TX, United States | 51-200 | Exact match | 51 contacts → |
“Modern Systems empowers efficiency, agility, and competitive advantage through core application modernization.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Convene, INCconvene-tech.comHQ: Tampa, FL, United StatesReported employees: 51-200 | Tampa, FL, United States | 51-200 | Exact match | 50 contacts → |
“We are guided by a singular mission: to be the dependable ally our clients rely on, empowering them to amplify their competitive edge by implementing cutting-edge software…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Uniquesoft IS NOW Updraftupdraft.comHQ: Palatine, IL, United StatesReported employees: 11-50 | Palatine, IL, United States | 11-50 | Exact match | 37 contacts → |
“Updraft is a Chicago-based company providing automated software modernization tools to companies and systems integrators (SIs) needing exceptionally high quality code when…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Clear Measureclearmeasure.comHQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 34 contacts → |
“Clear Measure is a full-service software architecture and engineering firm focused on mission-critical applications built on Microsoft.NET and Azure.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Eradanieradani.comHQ: Dublin, CA, United StatesReported employees: 11-50 | Dublin, CA, United States | 11-50 | Exact match | 20 contacts → |
“At Eradani, we understand the wisdom of the ancient saying that you cannot know where you are going if you do not understand where you have been.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Mertech Data Systems, INCmertechdata.comHQ: Pembroke Pines, FL, United StatesReported employees: 11-50 | Pembroke Pines, FL, United States | 11-50 | Exact match | 15 contacts → |
“Mertech is a leading provider of application development solutions.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Tricensiontricension.comHQ: Kansas City, MO, United StatesReported employees: 201-500 | Kansas City, MO, United States | 201-500 | Exact match | 13 contacts → |
“From modernizing legacy systems to implementing cutting-edge platforms, we deliver scalable, reliable, and future-ready solutions that empower businesses to move forward with…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Averisourceaverisource.comHQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 12 contacts → |
“At AveriSource, our mission is to help you achieve your legacy modernization objectives.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Keypress Software Development Groupkeypressgroup.com HQ: Manasquan, NJ, United StatesReported employees: 1-10 | Manasquan, NJ, United States | 1-10 | Exact match | 9 contacts → |
“Keypress Software Development Group builds custom mission-critical business software and industry-focused SaaS solutions that help organizations streamline operations, modernize…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Martex Softwaremartexsoftware.comHQ: Arlington, TX, United StatesReported employees: 1-10 | Arlington, TX, United States | 1-10 | Exact match | 9 contacts → |
“MARTEX Software, Inc.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Sovereign Systems, LLCsovereignsystems.bizHQ: Middletown, IN, United StatesReported employees: 1-10 | Middletown, IN, United States | 1-10 | Exact match | 8 contacts → |
“We founded Sovereign Systems, LLC in 2016 based on the core values of integrity, hard work, and serving the client's best interest.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Prime TSRprimetsr.comHQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 8 contacts → |
“Prime TSR is a technology modernization consultancy.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Mimasoftmimasoft.orgHQ: Alpharetta, GA, United StatesReported employees: 1-10 | Alpharetta, GA, United States | 1-10 | Exact match | 8 contacts → |
“Software Development, Application Development, App Development, Application Migration, Cloud Migration, App Modernization, Database Migration Solutions Architecting, Project…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | QX Software Servicesqxsoftwareservices.com HQ: Bloomfield, NJ, United StatesReported employees: 501-1,000 | Bloomfield, NJ, United States | 501-1,000 | Exact match | 8 contacts → |
“QX Software Services (QXSS) is a part of the QX group of companies with employees.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Yocum Technology Groupytg.ioHQ: Wilmington, PA, United StatesReported employees: 11-50 | Wilmington, PA, United States | 11-50 | Exact match | 7 contacts → |
“YTG is a Veteran-Owned, U.S-based technology consultancy that helps companies modernize legacy systems, migrate to the cloud, and implement AI solutions in Azure.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Updraft Worksupdraftworks.comHQ: Somerset, NJ, United StatesReported employees: 51-200 | Somerset, NJ, United States | 51-200 | Exact match | 7 contacts → |
“Unlocking Legacy Code with AI, Automated, Accurate, Future-Ready Updraft, powered by Natsoft, is an AI-driven legacy modernization platform that transforms complex, undocumented…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 91 company matches
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Legacy dot net modernization firms: dataset insights
September 20, 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
91 records in the displayed employee bands.
0 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 91 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 20, 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 ↗
Questions about this company list
What does Exact match mean for legacy dot net modernization firms?
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 legacy dot net modernization firms did RevenueBase find based in the United States?
The saved snapshot records 91 matching company records, 1,366 tracked contacts and 467 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 20, 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
Cite this list
RevenueBase Data Team. Top 25 legacy dot net modernization firms based in the United States. Snapshot: September 20, 2026. https://revenuebase.ai/companies/legacy-dot-net-modernization-firms/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
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
- Oil and gas companies based in the United States
- Real estate companies based in the United States
Company intelligence · public preview
Top 25 legacy dot net modernization firms based in the United States
RevenueBase records 91 matching company records for legacy dot net modernization firms based in the United States, with 1,366 tracked contacts and 467 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 20, 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 legacy dot net modernization firms 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 | Astadiaastadia.com HQ: St. Louis, MO, United StatesReported employees: 201-500 | St. Louis, MO, United States | 201-500 | Exact match | 206 contacts → |
“Astadia is the industry leader for mainframe migrations and modernizations.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Evolveware, INCevolveware.com HQ: Santa Clara, CA, United StatesReported employees: 51-200 | Santa Clara, CA, United States | 51-200 | Exact match | 108 contacts → |
“Founded in 2001, EvolveWare provides seamless application modernization journeys for enterprises, government organizations and global partners.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Callibritycallibrity.com HQ: Cincinnati, OH, United StatesReported employees: 51-200 | Cincinnati, OH, United States | 51-200 | Exact match | 96 contacts → |
“Callibrity is the software consultancy helping clients do more with technology.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | AQL Technologiesaqltech.com HQ: Park Ridge, IL, United StatesReported employees: 51-200 | Park Ridge, IL, United States | 51-200 | Exact match | 86 contacts → |
“AQL Technologies is a Microsoft Solutions Partner in Digital App & Innovation and Data & AI providing the highest level of IT expertise and customer satisfaction for the past 15…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Purecode AIpurecode.ai HQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 86 contacts → |
“Maintain, modernize, and understand your.NET, PHP, & C++ codebase.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Softacomsoftacom.com HQ: Bellevue, WA, United StatesReported employees: 51-200 | Bellevue, WA, United States | 51-200 | Exact match | 77 contacts → |
“Softacom is a full-cycle business app migration and modernization provider.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Ispirer Systemsispirer.com HQ: Dover, DE, United StatesReported employees: 51-200 | Dover, DE, United States | 51-200 | Exact match | 73 contacts → |
“Ispirer Systems is an international software company that provides the customers with the effective way to improve IT infrastructure.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Cloudframecloudframe.com HQ: Princeton, NJ, United StatesReported employees: 51-200 | Princeton, NJ, United States | 51-200 | Exact match | 56 contacts → |
“The CloudFrame Modernization Suite is the most advanced legacy modernization software in the industry.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Kirkland, WA, United StatesReported employees: 11-50 | Kirkland, WA, United States | 11-50 | Exact match | 52 contacts → |
“As a leading provider of software modernization services, TSRI enables technology readiness for the Cloud and other modern architecture environments.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Modern Systems An Advanced Companymodernsystems.oneadvanced.com HQ: Dallas, TX, United StatesReported employees: 51-200 | Dallas, TX, United States | 51-200 | Exact match | 51 contacts → |
“Modern Systems empowers efficiency, agility, and competitive advantage through core application modernization.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Convene, INCconvene-tech.com HQ: Tampa, FL, United StatesReported employees: 51-200 | Tampa, FL, United States | 51-200 | Exact match | 50 contacts → |
“We are guided by a singular mission: to be the dependable ally our clients rely on, empowering them to amplify their competitive edge by implementing cutting-edge software…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Uniquesoft IS NOW Updraftupdraft.com HQ: Palatine, IL, United StatesReported employees: 11-50 | Palatine, IL, United States | 11-50 | Exact match | 37 contacts → |
“Updraft is a Chicago-based company providing automated software modernization tools to companies and systems integrators (SIs) needing exceptionally high quality code when…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Clear Measureclearmeasure.com HQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 34 contacts → |
“Clear Measure is a full-service software architecture and engineering firm focused on mission-critical applications built on Microsoft.NET and Azure.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Eradanieradani.com HQ: Dublin, CA, United StatesReported employees: 11-50 | Dublin, CA, United States | 11-50 | Exact match | 20 contacts → |
“At Eradani, we understand the wisdom of the ancient saying that you cannot know where you are going if you do not understand where you have been.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Mertech Data Systems, INCmertechdata.com HQ: Pembroke Pines, FL, United StatesReported employees: 11-50 | Pembroke Pines, FL, United States | 11-50 | Exact match | 15 contacts → |
“Mertech is a leading provider of application development solutions.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Tricensiontricension.com HQ: Kansas City, MO, United StatesReported employees: 201-500 | Kansas City, MO, United States | 201-500 | Exact match | 13 contacts → |
“From modernizing legacy systems to implementing cutting-edge platforms, we deliver scalable, reliable, and future-ready solutions that empower businesses to move forward with…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Averisourceaverisource.com HQ: San Antonio, TX, United StatesReported employees: 51-200 | San Antonio, TX, United States | 51-200 | Exact match | 12 contacts → |
“At AveriSource, our mission is to help you achieve your legacy modernization objectives.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Keypress Software Development Groupkeypressgroup.com HQ: Manasquan, NJ, United StatesReported employees: 1-10 | Manasquan, NJ, United States | 1-10 | Exact match | 9 contacts → |
“Keypress Software Development Group builds custom mission-critical business software and industry-focused SaaS solutions that help organizations streamline operations, modernize…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Martex Softwaremartexsoftware.com HQ: Arlington, TX, United StatesReported employees: 1-10 | Arlington, TX, United States | 1-10 | Exact match | 9 contacts → |
“MARTEX Software, Inc.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Sovereign Systems, LLCsovereignsystems.biz HQ: Middletown, IN, United StatesReported employees: 1-10 | Middletown, IN, United States | 1-10 | Exact match | 8 contacts → |
“We founded Sovereign Systems, LLC in 2016 based on the core values of integrity, hard work, and serving the client's best interest.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Prime TSRprimetsr.com HQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 8 contacts → |
“Prime TSR is a technology modernization consultancy.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Mimasoftmimasoft.org HQ: Alpharetta, GA, United StatesReported employees: 1-10 | Alpharetta, GA, United States | 1-10 | Exact match | 8 contacts → |
“Software Development, Application Development, App Development, Application Migration, Cloud Migration, App Modernization, Database Migration Solutions Architecting, Project…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | QX Software Servicesqxsoftwareservices.com HQ: Bloomfield, NJ, United StatesReported employees: 501-1,000 | Bloomfield, NJ, United States | 501-1,000 | Exact match | 8 contacts → |
“QX Software Services (QXSS) is a part of the QX group of companies with employees.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Yocum Technology Groupytg.io HQ: Wilmington, PA, United StatesReported employees: 11-50 | Wilmington, PA, United States | 11-50 | Exact match | 7 contacts → |
“YTG is a Veteran-Owned, U.S-based technology consultancy that helps companies modernize legacy systems, migrate to the cloud, and implement AI solutions in Azure.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Updraft Worksupdraftworks.com HQ: Somerset, NJ, United StatesReported employees: 51-200 | Somerset, NJ, United States | 51-200 | Exact match | 7 contacts → |
“Unlocking Legacy Code with AI, Automated, Accurate, Future-Ready Updraft, powered by Natsoft, is an AI-driven legacy modernization platform that transforms complex, undocumented…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 91 company matches
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Legacy dot net modernization firms: dataset insights
September 20, 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
91 records in the displayed employee bands.
0 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 91 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 20, 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 ↗
Questions about this company list
What does Exact match mean for legacy dot net modernization firms?
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 legacy dot net modernization firms did RevenueBase find based in the United States?
The saved snapshot records 91 matching company records, 1,366 tracked contacts and 467 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 20, 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
Cite this list
RevenueBase Data Team. Top 25 legacy dot net modernization firms based in the United States. Snapshot: September 20, 2026. https://revenuebase.ai/companies/legacy-dot-net-modernization-firms/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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