Company lists · Data refreshed September 2026
Top 25 Ibm iseries developers based in the United States
RevenueBase identified 98 company matches for ibm iseries developers associated with the United States as of September 2026 and tracks 1,945 professional contacts across them, including 798 with verified work emails. Atlanta is the largest hub.
This list covers company matches for ibm iseries developers 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 ibm iseries developers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,056 contacts → | ||||
Exact match “IBM i is evolving.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 2 | 275 contacts → | ||||
Exact match “Founded in 2001, Integrative Systems is a strategic IT solutions and services company helping organizations futureproof their business through technology, innovation, and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 3 | 49 contacts → | ||||
Exact match “Welcome to Visual Technologies Visual Technologies was established in 2012 to provide a total solutions integration service for clients nationwide.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 4 | 45 contacts → | ||||
Exact match “The UNICOM Systems Technology Division delivers world-class CICS automation and z/OS and z/VM software solutions to IBM Z customers globally, integration services and solutions to…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 5 | 39 contacts → | ||||
Exact match “Transform the way work gets done.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 6 | 35 contacts → | ||||
Exact match “New Generation Software, Inc.(NGS) develops, markets, and supports IBM i (iSeries, System i, AS/400) business application software used by companies of all sizes and representing…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 7 | 32 contacts → | ||||
Exact match “IBM i (AS/400)+ integrations are our bread and butter!” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 8 | 18 contacts → | ||||
Exact match “Since 1978, Trident Services has established a solid reputation for the excellence of its developed software, responsiveness of its support team and the expertise of its…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 9 | 15 contacts → | ||||
Exact match “WE DEVELOP APPLICATIONS THAT USERS LOVE, ON TIME & WITHIN BUDGET.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 10 | 11 contacts → | ||||
Exact match “For over 20 years Tree Line Solutions has worked with businesses of all sizes providing professional services that help companies leverage their IT investment and improve business…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 11 | 11 contacts → | ||||
Exact match “Infinite Corporation is the global leader in IBM i (AS/400) migration and modernization toolsets.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 12 | 11 contacts → | ||||
Exact match “Since 2002, DRV Tech has offered the highest quality software and customer support available in the IBM Midrange software market today.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 13 | 10 contacts → | ||||
Exact match “CDS Americas, ofrece servicios de consultoría y representamos herramientas de software para todas las plataformas.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 14 | 8 contacts → | ||||
Exact match “ColeSoft believes clarity is your competitive advantage in mainframe development.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 8 contacts → | ||||
Exact match “At Infinity Systems Software, we architect solutions designed to fit our client’s unique requirements while leveraging their prior legacy system's investment.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 16 | 7 contacts → | ||||
Exact match “Seiden Group specializes in innovative, reliable IBM i software solutions that pair IBM i data and business logic with PHP, Node.js, Python, and other open source technologies.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 17 | 6 contacts → | ||||
Exact match “Midrange Dynamics North America is the regional representative for the US and Canada.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 18 | 6 contacts → | ||||
Exact match “Touchtone was founded in 1991 with the goal of developing enterprise software for IBM AS/400 – iSeries – System i users.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 19 | 6 contacts → | ||||
Exact match “Our name, Cobol Cowboys, was inspired by the movie “Space Cowboys” in which older experienced (some retired) astronauts were called back into service to solve a current day…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 20 | 5 contacts → | ||||
Exact match “Since 1980 MacKinney Systems has been the industry leader in top-quality, low-cost mainframe software.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 21 | 4 contacts → | ||||
Exact match “IBM i Training and services.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 22 | 4 contacts → | ||||
Exact match “Millions of COBOL legacy systems today manage the majority of the world’s business and financial applications.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 23 | 3 contacts → | ||||
Exact match “Respect Technology, Inc.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 24 | 3 contacts → | ||||
Exact match “MC Press Online is one of the world's leading providers of education and training materials for all levels of IBM Power Systems professionals-from the chief technology officer or…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 25 | 2 contacts → | ||||
Exact match “Products from Chicago-Soft, Ltd.” 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 “ibm iseries developers”. 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 98 ibm iseries developers based in the United States
See the full list, filter by size, metro and specialty, and access 798 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Ibm iseries developers 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 98 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 “ibm iseries developers” 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 798 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 “ibm iseries developers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many ibm iseries developers are there based in the United States?
RevenueBase identified 98 company matches for ibm iseries developers 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?
programmers.io tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most ibm iseries developers?
Atlanta leads with 3 company records, followed by Miami (3) and New York (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 798 professional contacts with verified work emails tracked across these 98 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 98 ibm iseries developers 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.
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Company intelligence · public preview
Top 25 ibm iseries developers 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 98 matching company records for ibm iseries developers based in the United States, with 1,945 tracked contacts and 798 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 ibm iseries developers 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 |  programmers.ioprogrammers.ioHQ: Dallas, TX, United StatesReported employees: 1,001-5,000 | Dallas, TX, United States | 1,001-5,000 | Exact match | 1,056 contacts → |
“IBM i is evolving.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Integrative Systemsintegrativesystems.comHQ: Lombard, IL, United StatesReported employees: 201-500 | Lombard, IL, United States | 201-500 | Exact match | 275 contacts → |
“Founded in 2001, Integrative Systems is a strategic IT solutions and services company helping organizations futureproof their business through technology, innovation, and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Visual Technologiesvisualitconsulting.comHQ: Plano, TX, United StatesReported employees: 11-50 | Plano, TX, United States | 11-50 | Exact match | 49 contacts → |
“Welcome to Visual Technologies Visual Technologies was established in 2012 to provide a total solutions integration service for clients nationwide.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Unicom Systems, INCunicomsi.com HQ: Mission Hills, CA, United StatesReported employees: 11-50 | Mission Hills, CA, United States | 11-50 | Exact match | 45 contacts → |
“The UNICOM Systems Technology Division delivers world-class CICS automation and z/OS and z/VM software solutions to IBM Z customers globally, integration services and solutions to…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  CNX Corporationcnxcorp.comHQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 39 contacts → |
“Transform the way work gets done.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | NEW Generation Software, INCngsi.com HQ: Sacramento, CA, United StatesReported employees: 11-50 | Sacramento, CA, United States | 11-50 | Exact match | 35 contacts → |
“New Generation Software, Inc.(NGS) develops, markets, and supports IBM i (iSeries, System i, AS/400) business application software used by companies of all sizes and representing…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Infoview Systems INCinfoviewsystems.com HQ: Livonia, MI, United StatesReported employees: 51-200 | Livonia, MI, United States | 51-200 | Exact match | 32 contacts → |
“IBM i (AS/400)+ integrations are our bread and butter!” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Trident Services INCtriserv.com HQ: Capitola, CA, United StatesReported employees: 11-50 | Capitola, CA, United States | 11-50 | Exact match | 18 contacts → |
“Since 1978, Trident Services has established a solid reputation for the excellence of its developed software, responsiveness of its support team and the expertise of its…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Iage - DEV AI On Iiageco.comHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 15 contacts → |
“WE DEVELOP APPLICATIONS THAT USERS LOVE, ON TIME & WITHIN BUDGET.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Tree Line Solutionstreelinesolutions.com HQ: Middlebury, VT, United StatesReported employees: 11-50 | Middlebury, VT, United States | 11-50 | Exact match | 11 contacts → |
“For over 20 years Tree Line Solutions has worked with businesses of all sizes providing professional services that help companies leverage their IT investment and improve business…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Infinite Corporationinfinitecorporation.com HQ: Laguna Niguel, CA, United StatesReported employees: 51-200 | Laguna Niguel, CA, United States | 51-200 | Exact match | 11 contacts → |
“Infinite Corporation is the global leader in IBM i (AS/400) migration and modernization toolsets.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | DRV Techdrvtech.com HQ: Duluth, GA, United StatesReported employees: 11-50 | Duluth, GA, United States | 11-50 | Exact match | 11 contacts → |
“Since 2002, DRV Tech has offered the highest quality software and customer support available in the IBM Midrange software market today.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  CDS Americascdsamericas.comHQ: Miami, FL, United StatesReported employees: 11-50 | Miami, FL, United States | 11-50 | Exact match | 10 contacts → |
“CDS Americas, ofrece servicios de consultoría y representamos herramientas de software para todas las plataformas.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Colesoftcolesoft.com HQ: Norfolk, VA, United StatesReported employees: 11-50 | Norfolk, VA, United States | 11-50 | Exact match | 8 contacts → |
“ColeSoft believes clarity is your competitive advantage in mainframe development.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Infinity Systems Software, INCinfinite-blue.com HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 8 contacts → |
“At Infinity Systems Software, we architect solutions designed to fit our client’s unique requirements while leveraging their prior legacy system's investment.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Seiden Groupseidengroup.com HQ: Ho-ho-kus, NJ, United StatesReported employees: 11-50 | Ho-ho-kus, NJ, United States | 11-50 | Exact match | 7 contacts → |
“Seiden Group specializes in innovative, reliable IBM i software solutions that pair IBM i data and business logic with PHP, Node.js, Python, and other open source technologies.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Midrange Dynamics North Americamd-na.com HQ: Peterborough, NH, United StatesReported employees: 1-10 | Peterborough, NH, United States | 1-10 | Exact match | 6 contacts → |
“Midrange Dynamics North America is the regional representative for the US and Canada.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Touchtone Corporationtouchtonecorp.com HQ: Costa Mesa, CA, United StatesReported employees: 11-50 | Costa Mesa, CA, United States | 11-50 | Exact match | 6 contacts → |
“Touchtone was founded in 1991 with the goal of developing enterprise software for IBM AS/400 – iSeries – System i users.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Cobol Cowboys, LLCcobolcowboys.comHQ: Gainesville, TX, United StatesReported employees: 501-1,000 | Gainesville, TX, United States | 501-1,000 | Exact match | 6 contacts → |
“Our name, Cobol Cowboys, was inspired by the movie “Space Cowboys” in which older experienced (some retired) astronauts were called back into service to solve a current day…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Mackinney Systemsmackinney.com HQ: Springfield, MO, United StatesReported employees: 1-10 | Springfield, MO, United States | 1-10 | Exact match | 5 contacts → |
“Since 1980 MacKinney Systems has been the industry leader in top-quality, low-cost mainframe software.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Impower Technologies LLCimpowertechnologies.com HQ: Kenosha, WI, United StatesReported employees: 1-10 | Kenosha, WI, United States | 1-10 | Exact match | 4 contacts → |
“IBM i Training and services.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Marble Computer, INCmarblecomputer.com HQ: El Paso, TX, United StatesReported employees: 1-10 | El Paso, TX, United States | 1-10 | Exact match | 4 contacts → |
“Millions of COBOL legacy systems today manage the majority of the world’s business and financial applications.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Respect Technology INCrespecttechnology.comHQ: Greenville, United StatesReported employees: 1-10 | Greenville, United States | 1-10 | Exact match | 3 contacts → |
“Respect Technology, Inc.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | MC Press Online, LLCmcpressonline.com HQ: Boise, ID, United StatesReported employees: 1-10 | Boise, ID, United States | 1-10 | Exact match | 3 contacts → |
“MC Press Online is one of the world's leading providers of education and training materials for all levels of IBM Power Systems professionals-from the chief technology officer or…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Chicago-Soft, LTDchicago-soft.com HQ: White River Junction, VT, United StatesReported employees: 1-10 | White River Junction, VT, United States | 1-10 | Exact match | 2 contacts → |
“Products from Chicago-Soft, Ltd.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 98 company matches
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Ibm iseries developers: 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
98 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 98 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 ibm iseries developers?
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 ibm iseries developers did RevenueBase find based in the United States?
The saved snapshot records 98 matching company records, 1,945 tracked contacts and 798 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
Ibm iseries developers by geography
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Cite this list
RevenueBase Data Team. Top 25 ibm iseries developers based in the United States. Snapshot: September 20, 2026. https://revenuebase.ai/companies/ibm-iseries-developers/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
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- Lists A-Z
- New lists
- Ibm iseries developers based in the United Kingdom
- 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
Company intelligence · public preview
Top 25 ibm iseries developers based in the United States
RevenueBase records 98 matching company records for ibm iseries developers based in the United States, with 1,945 tracked contacts and 798 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 ibm iseries developers 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 | programmers.ioprogrammers.io HQ: Dallas, TX, United StatesReported employees: 1,001-5,000 | Dallas, TX, United States | 1,001-5,000 | Exact match | 1,056 contacts → |
“IBM i is evolving.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Integrative Systemsintegrativesystems.com HQ: Lombard, IL, United StatesReported employees: 201-500 | Lombard, IL, United States | 201-500 | Exact match | 275 contacts → |
“Founded in 2001, Integrative Systems is a strategic IT solutions and services company helping organizations futureproof their business through technology, innovation, and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Visual Technologiesvisualitconsulting.com HQ: Plano, TX, United StatesReported employees: 11-50 | Plano, TX, United States | 11-50 | Exact match | 49 contacts → |
“Welcome to Visual Technologies Visual Technologies was established in 2012 to provide a total solutions integration service for clients nationwide.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Unicom Systems, INCunicomsi.com HQ: Mission Hills, CA, United StatesReported employees: 11-50 | Mission Hills, CA, United States | 11-50 | Exact match | 45 contacts → |
“The UNICOM Systems Technology Division delivers world-class CICS automation and z/OS and z/VM software solutions to IBM Z customers globally, integration services and solutions to…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | CNX Corporationcnxcorp.com HQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 39 contacts → |
“Transform the way work gets done.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | NEW Generation Software, INCngsi.com HQ: Sacramento, CA, United StatesReported employees: 11-50 | Sacramento, CA, United States | 11-50 | Exact match | 35 contacts → |
“New Generation Software, Inc.(NGS) develops, markets, and supports IBM i (iSeries, System i, AS/400) business application software used by companies of all sizes and representing…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Infoview Systems INCinfoviewsystems.com HQ: Livonia, MI, United StatesReported employees: 51-200 | Livonia, MI, United States | 51-200 | Exact match | 32 contacts → |
“IBM i (AS/400)+ integrations are our bread and butter!” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Trident Services INCtriserv.com HQ: Capitola, CA, United StatesReported employees: 11-50 | Capitola, CA, United States | 11-50 | Exact match | 18 contacts → |
“Since 1978, Trident Services has established a solid reputation for the excellence of its developed software, responsiveness of its support team and the expertise of its…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Iage - DEV AI On Iiageco.com HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 15 contacts → |
“WE DEVELOP APPLICATIONS THAT USERS LOVE, ON TIME & WITHIN BUDGET.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Tree Line Solutionstreelinesolutions.com HQ: Middlebury, VT, United StatesReported employees: 11-50 | Middlebury, VT, United States | 11-50 | Exact match | 11 contacts → |
“For over 20 years Tree Line Solutions has worked with businesses of all sizes providing professional services that help companies leverage their IT investment and improve business…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Infinite Corporationinfinitecorporation.com HQ: Laguna Niguel, CA, United StatesReported employees: 51-200 | Laguna Niguel, CA, United States | 51-200 | Exact match | 11 contacts → |
“Infinite Corporation is the global leader in IBM i (AS/400) migration and modernization toolsets.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | DRV Techdrvtech.com HQ: Duluth, GA, United StatesReported employees: 11-50 | Duluth, GA, United States | 11-50 | Exact match | 11 contacts → |
“Since 2002, DRV Tech has offered the highest quality software and customer support available in the IBM Midrange software market today.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | CDS Americascdsamericas.com HQ: Miami, FL, United StatesReported employees: 11-50 | Miami, FL, United States | 11-50 | Exact match | 10 contacts → |
“CDS Americas, ofrece servicios de consultoría y representamos herramientas de software para todas las plataformas.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Colesoftcolesoft.com HQ: Norfolk, VA, United StatesReported employees: 11-50 | Norfolk, VA, United States | 11-50 | Exact match | 8 contacts → |
“ColeSoft believes clarity is your competitive advantage in mainframe development.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Infinity Systems Software, INCinfinite-blue.com HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 8 contacts → |
“At Infinity Systems Software, we architect solutions designed to fit our client’s unique requirements while leveraging their prior legacy system's investment.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Seiden Groupseidengroup.com HQ: Ho-ho-kus, NJ, United StatesReported employees: 11-50 | Ho-ho-kus, NJ, United States | 11-50 | Exact match | 7 contacts → |
“Seiden Group specializes in innovative, reliable IBM i software solutions that pair IBM i data and business logic with PHP, Node.js, Python, and other open source technologies.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Midrange Dynamics North Americamd-na.com HQ: Peterborough, NH, United StatesReported employees: 1-10 | Peterborough, NH, United States | 1-10 | Exact match | 6 contacts → |
“Midrange Dynamics North America is the regional representative for the US and Canada.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Touchtone Corporationtouchtonecorp.com HQ: Costa Mesa, CA, United StatesReported employees: 11-50 | Costa Mesa, CA, United States | 11-50 | Exact match | 6 contacts → |
“Touchtone was founded in 1991 with the goal of developing enterprise software for IBM AS/400 – iSeries – System i users.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Cobol Cowboys, LLCcobolcowboys.com HQ: Gainesville, TX, United StatesReported employees: 501-1,000 | Gainesville, TX, United States | 501-1,000 | Exact match | 6 contacts → |
“Our name, Cobol Cowboys, was inspired by the movie “Space Cowboys” in which older experienced (some retired) astronauts were called back into service to solve a current day…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Mackinney Systemsmackinney.com HQ: Springfield, MO, United StatesReported employees: 1-10 | Springfield, MO, United States | 1-10 | Exact match | 5 contacts → |
“Since 1980 MacKinney Systems has been the industry leader in top-quality, low-cost mainframe software.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Impower Technologies LLCimpowertechnologies.com HQ: Kenosha, WI, United StatesReported employees: 1-10 | Kenosha, WI, United States | 1-10 | Exact match | 4 contacts → |
“IBM i Training and services.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Marble Computer, INCmarblecomputer.com HQ: El Paso, TX, United StatesReported employees: 1-10 | El Paso, TX, United States | 1-10 | Exact match | 4 contacts → |
“Millions of COBOL legacy systems today manage the majority of the world’s business and financial applications.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Respect Technology INCrespecttechnology.com HQ: Greenville, United StatesReported employees: 1-10 | Greenville, United States | 1-10 | Exact match | 3 contacts → |
“Respect Technology, Inc.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | MC Press Online, LLCmcpressonline.com HQ: Boise, ID, United StatesReported employees: 1-10 | Boise, ID, United States | 1-10 | Exact match | 3 contacts → |
“MC Press Online is one of the world's leading providers of education and training materials for all levels of IBM Power Systems professionals-from the chief technology officer or…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Chicago-Soft, LTDchicago-soft.com HQ: White River Junction, VT, United StatesReported employees: 1-10 | White River Junction, VT, United States | 1-10 | Exact match | 2 contacts → |
“Products from Chicago-Soft, Ltd.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 98 company matches
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Ibm iseries developers: 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
98 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 98 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 ibm iseries developers?
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 ibm iseries developers did RevenueBase find based in the United States?
The saved snapshot records 98 matching company records, 1,945 tracked contacts and 798 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.
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Cite this list
RevenueBase Data Team. Top 25 ibm iseries developers based in the United States. Snapshot: September 20, 2026. https://revenuebase.ai/companies/ibm-iseries-developers/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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