Companies using IBM Enterprise System/9000 (ES/9000) by IBM in 2025
As of 2025, 170 verified companies use IBM Enterprise System/9000 (ES/9000) – 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 Enterprise System/9000 (ES/9000) by IBM?
IBM Enterprise System/9000 (ES/9000) by IBM, represents a mainframe computer system designed for large-scale computing tasks. It was utilized for high-volume transaction processing, data warehousing, and other enterprise-level applications. Industries leveraging ES/9000 typically include finance, government, and large corporations, with primary usage in IT departments and data centers.
Last updated date
Number of Companies using
170
The majority are based in the
United States
Most common industry?
Finance
IBM Enterprise System/9000 (ES/9000)’s sample user list in 2025
We have data on 170 companies that use IBM Enterprise System/9000 (ES/9000). Our IBM Enterprise System/9000 (ES/9000) 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 Enterprise System/9000 (ES/9000) users and customers by country
2.6K Companies
2.6K Companies
2.6K Companies
2.6K Companies
Where IBM Enterprise System/9000 (ES/9000) Shows Up Most
IBM Enterprise System/9000 (ES/9000) is used across a wide range of sectors:
Finance
Manufacturing
Banking
Insurance
Education
From lean startups to global enterprises, IBM Enterprise System/9000 (ES/9000)’s footprint is wide, and that means opportunity.

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Contact UsHow latest this data is?
This data is updated on August 17, 2025
What is IBM Enterprise System/9000 (ES/9000)?
IBM Enterprise System/9000 (ES/9000) represents a mainframe computer system designed for large-scale computing tasks. It was utilized for high-volume transaction processing, data warehousing, and other enterprise-level applications.
How many companies are using IBM Enterprise System/9000 (ES/9000) in 2025?
As of 2025, there are 170 verified companies using IBM Enterprise System/9000 (ES/9000).
What types of companies use IBM Enterprise System/9000 (ES/9000)?
IBM Enterprise System/9000 (ES/9000) is used across various industries, company sizes, and geographies. Industries leveraging ES/9000 typically include finance, government, and large corporations.
Which countries have the most companies using IBM Enterprise System/9000 (ES/9000)?
The top countries using IBM Enterprise System/9000 (ES/9000) are the United States, United Kingdom, China, Germany, and France.
Which industries have the most companies using IBM Enterprise System/9000 (ES/9000)?
The top industries using IBM Enterprise System/9000 (ES/9000) are Finance, Manufacturing, Banking, Insurance, and Education.