Companies using IBM Mainframe (IBM z Systems) by IBM in 2025
As of 2025, 1,584 verified companies use IBM Mainframe (IBM z Systems) – across industries, company sizes, and geographies. This is real, verified data. Whether you’re looking to analyze the market, build a target list, or get a sales edge – this is your starting point.
What is IBM Mainframe (IBM z Systems) by IBM?
IBM Mainframe (IBM z Systems) by IBM, represents a family of mainframe computer systems known for their high performance, security, and reliability. It’s engineered to handle large-scale data processing and transaction workloads. The IBM Mainframe is frequently employed across industries such as finance, government, and healthcare, supporting critical business functions within IT departments, data centers, and enterprise operations.
Last updated date
August 17, 2025
Number of Companies using
1,584
The majority are based in the
United States
Most common industry?
Manufacturing
IBM Mainframe (IBM z Systems)’s sample user list in 2025
Company Name
Country
Industry
Employees
Revenue
Product
Amazon
United States
United States
Apparel & Accessories Retail
1556000
$650.3B
IBM Mainframe (IBM z Systems)
Walmart
United States
United States
Department Stores, Shopping Centers & Superstores
2098500
$681B
IBM Mainframe (IBM z Systems)
Apple
United States
United States
Computer Equipment & Peripherals
164000
$400.4B
IBM Mainframe (IBM z Systems)
Microsoft
United States
United States
Database & File Management Software
228000
$270B
IBM Mainframe (IBM z Systems)
CVS Health
United States
United States
Drug Stores & Pharmacies
219000
$379B
IBM Mainframe (IBM z Systems)
United States
United States
Data Collection & Internet Portals
182502
$256.7B
IBM Mainframe (IBM z Systems)
We have data on 1,584 companies that use IBM Mainframe (IBM z Systems). Our IBM Mainframe (IBM z Systems) customers list is available for download and comes enriched with vital company specifics, including industry classification, organizational size, geographical location, funding rounds, and revenue figures, among others.
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IBM Mainframe (IBM z Systems) users and customers by country
United States
United Kingdom
2.6K Companies
Canada
2.6K Companies
Germany
2.6K Companies
France
2.6K Companies
Where IBM Mainframe (IBM z Systems) Shows Up Most
IBM Mainframe (IBM z Systems) is used across a wide range of sectors:
Manufacturing
Finance
Retail
Insurance
Business Services
From lean startups to global enterprises, IBM Mainframe (IBM z Systems)’s footprint is wide, and that means opportunity.
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FAQs
Contact UsHow latest this data is?
This data is updated on August 17, 2025
What is IBM Mainframe (IBM z Systems)?
IBM Mainframe (IBM z Systems) is a family of mainframe computer systems known for high performance, security, and reliability, designed for large-scale data processing and transaction workloads.
How many companies are using IBM Mainframe (IBM z Systems) in 2025?
As of 2025, there are 1,584 verified companies using IBM Mainframe (IBM z Systems).
Which industries are the primary users of IBM Mainframe (IBM z Systems)?
IBM Mainframe (IBM z Systems) is frequently used across industries such as Manufacturing, Finance, Retail, Insurance, and Business Services.
Which country has the highest number of companies using IBM Mainframe (IBM z Systems)?
The United States has the highest number of companies using IBM Mainframe (IBM z Systems).
Can I get a list of companies using IBM Mainframe (IBM z Systems)?
Yes, a list of companies using IBM Mainframe (IBM z Systems) is available for download, enriched with company specifics like industry, size, location, funding, and revenue.