IBM Mainframe Customer List

Do you sell to companies who use IBM Mainframe? Do you have a product that works with IBM Mainframe? Do you offer IBM Mainframe consulting and implementation services? If you do, then you’ll love our actively-managed database of IBM Mainframe users.

4,307 Companies
  • Company Name
  • Website
  • Phone Number
  • Mailing Address
  • Industry
  • Employee Range
Last Updated :

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Anna Jensen Director of Marketing, DigitalShadows


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Some of the companies that use IBM Mainframe include:

Company Name Industry Country Company Size
Aon plc Information Services United States 10K - 50K
Seat Consumer Services Spain 1K - 10K
S-IT Solutions Banking 1K - 10K
Oberbank Banking Austria 1K - 10K
Safra Banking Brazil 1K - 10K
Helaba Banking Germany 1K - 10K
Polfa Tarchomin S.A. Pharmaceuticals Poland 1K - 10K

Get a targeted slice of IBM Mainframe customers for your campaigns

How do we build this data

At Ready, we use state-of-the-art software and context-driven human research to identify and track companies using IBM Mainframe across global markets. We use a multi-step process to validate and weed out false positives and refresh our data every 90 days.

How to customize this data for your needs:

You can requested a customized slice of our full IBM Mainframe customers database by sharing filters for geography, industry, size and other specific needs you may have. We also identify specific decision makers based on titles & roles.

Here’s why our data is better

We put freshness & accuracy ahead of everything here at ReadyContacts and it shows in our data that is software-powered & human-curated.

  • Freshness Our data is always freshly validated prior to delivery.
  • Accuracy Our multi-step software & human review process ensures the highest accuracy.
  • Targeting We are able to find highly specific target audiences for your needs.
  • Comprehensive We find every prospect out there for your campaign specification.
  • Intelligence Our datasets come backed with detailed & actionable intelligence.
  • Guarantee We promise 90% accuracy across all datasets & stand by it.

IBM Mainframe Customers Coverage

We track IBM Mainframe customer insights globally and across verticals. Here’s a quick snapshot of the coverage we have for list of companies who use IBM Mainframe and where they belong.

Request a sample of IBM Mainframe Customers for these regions:

IBM Mainframe customers by Countries

IBM Mainframe customers by US States

IBM Mainframe customers by Metro Areas

How to get a list of IBM Mainframe customers from Ready


Share your spec &
request a sample

Submit your specifications for a IBM Mainframe customer list based on your sales & marketing campaign needs.

Get a personalized
sample & counts

Ready creates a freshly validated sample dataset of IBM Mainframe customers with contacts & shares the overall counts for your specification.

Finalize specs &
purchase dataset

Once you review the sample, you can finalize any tweaks to the IBM Mainframe customers data specifications & purchase the full set of records or a part of them.

IBM Mainframe Customers List: FAQs

What Is IBM Mainframe?

IBM Mainframes are large computer systems produced by International Business Machines Corporation (IBM), an American multinational company based in New York. They have dominated the market since the 1970s due to their high performance, large memory, and fast processors that can solve complex calculations and transactions within a few seconds. IBM Mainframes are known for their high agility, resilience, and security. They can be run on almost all operating systems as well as on specialized operating systems as well, like z/OS. Compared to the older IBM Mainframes, which were known as 'big iron' machines, now IBM Mainframes are much smaller and require less floor space.

Who Uses IBM Mainframe?

Because of their design strengths, IBM Mainframes clients list is dominated by IT organizations. It allows a smooth running of almost all applications required for financial transactions, inventory checks, payroll distribution, etc. Companies from other industries also use it for running businesses of all sizes.

What Are Some Companies That Use IBM Mainframe?

The list of IBM Mainframe customers is very diverse. Some top companies who use IBM Mainframe are Wells Fargo, TSYS, LabCorp, MTB, Citi, Oracle, Adobe, and more.

What Industries Is IBM Mainframe Most Popular In?

The top 5 industries in the list of companies using IBM Mainframe are banking, insurance, healthcare, retail, and information technology. Research reveals that companies are not just continuing to use the old IBM Mainframe system but also willingly investing in buying brand new mainframes.

What Are Some Alternatives To IBM Mainframe?

Some of the popular alternatives to IBM Mainframe are Optimizely, PractiTest, Helix ALM, Jama Connect, SpiraTeam, and Split.

What To Expect From Ready's IBM Mainframe Customers List?

Ready's IBM Mainframe customer list is comprehensive. It allows the users to discover the full universe of the IBM Mainframe user list with details like agency name, web address, phone, industry type, etc. Ready's IBM Mainframe customers' email list also allows detailed viewing of the websites using IBM Mainframe. IBM Mainframe contact list is all you need to set up your new business in the competitive marketplace and make strong professional connections.