Companies using IBM z/OS Operating System

We have data on 7,118 companies that use IBM z/OS Operating System. The companies using IBM z/OS Operating System are most often found in United States and in the Computer Software industry. IBM z/OS Operating System is most often used by companies with >10000 employees and >1000M dollars in revenue. Our data for IBM z/OS Operating System usage goes back as far as 5 years.

If you’re interested in the companies that use IBM z/OS Operating System, you may want to check out Linux and Canonical Ubuntu as well.

Who uses IBM z/OS Operating System?

Some of the companies that use IBM z/OS Operating System include:
Company Website Country Revenue Company Size
U.S. House of Representatives house.gov United States 200M-1000M 1000-5000
Cybervation, Inc. cybervationinc.com United States 1M-10M 50-200
PROTEGE PARTNERS L L C protegepartners.com United States 1M-10M 10-50
Stanley Black & Decker, Inc. stanleyblackanddecker.com United States >1000M >10000
Chubb Limited chubb.com Switzerland >1000M >10000

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IBM z/OS Operating System Market Share and Competitors in Operating Systems

We use the best indexing techniques combined with advanced data science to monitor the market share of over 12,500 technology products, including Operating Systems. By scanning billions of public documents, we are able to collect deep insights on every company, with over 100 data fields per company at an average. In the Operating Systems category, IBM z/OS Operating System has a market share of about 0.3%. Other major and competing products in this category include:

IBM z/OS Operating System
Operating Systems
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7,118
Companies using IBM z/OS Operating System
IBM z/OS Operating System market share in Operating Systems is about 0.28%

What is IBM z/OS Operating System?

z/OS is a 64-bit operating system for mainframe computers, produced by IBM. It derives from and is the successor to OS/390, which in turn followed a string of MVS versions.z/OS offers the attributes of modern operating systems but also retains much of the functionality and each subsequent decade that is still found in daily use.

Top Industries that use IBM z/OS Operating System

Top Industries that use IBM z/OS Operating System

Looking at IBM z/OS Operating System customers by industry, we find that Computer Software (23%), Information Technology and Services (11%) and Banking (5%) are the largest segments.

Companies using IBM z/OS Operating System - Distribution by industry

Top Countries that use IBM z/OS Operating System

Top Countries that use IBM z/OS Operating System

56% of IBM z/OS Operating System customers are in United States.

IBM z/OS Operating System customers by country

Distribution of companies that use IBM z/OS Operating System based on company size (Employees)

Distribution of companies that use IBM z/OS Operating System based on company size (Employees)
Of all the customers that are using IBM z/OS Operating System,22% are small (<50 employees), 36% are medium-sized and 41% are large (>1000 employees).
Companies using IBM z/OS Operating System, by size (number of employees)

Distribution of companies that use IBM z/OS Operating System based on company size (Revenue)

Distribution of companies that use IBM z/OS Operating System based on company size (Revenue)
Of all the customers that are using IBM z/OS Operating System, 38% are small (<$50M), 17% are medium-sized and 38% are large (>$1000M).
IBM z/OS Operating System clients - distribution by company revenue

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