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Companies using IBM VTAM

We have data on 3,357 companies that use IBM VTAM. The companies using IBM VTAM are most often found in United States and in the Information Technology and Services industry. IBM VTAM is most often used by companies with >10000 employees and >1000M dollars in revenue. Our data for IBM VTAM usage goes back as far as 6 years and 10 months.

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

Who uses IBM VTAM?

Some of the companies that use IBM VTAM include:
Company TSI Incorporated
Website tsi.com
Country United States
Revenue 50M-100M
Company Size 1000-5000
Company Blackfriars Group
Website blackfriarsgroup.com
Country United Kingdom
Revenue 1M-10M
Company Size >10000

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IBM VTAM 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 15,000 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 VTAM has a market share of about 0.1%. Other major and competing products in this category include:

IBM VTAM
Operating Systems
IBM VTAM market share in Operating Systems is about 0.09%
3,357
Companies using IBM VTAM
Operating Systems
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    What is IBM VTAM?

    VTAM (Virtual Telecommunications Access Method) is an IBM application program interface (API) for communicating with telecommunication devices and their users. VTAM passes security information to RACF through the system authorization facility (SAF) to provide access control of information between address spaces.

    Top Industries that use IBM VTAM

    Looking at IBM VTAM customers by industry, we find that Information Technology and Services (19%), Financial Services (8%), Banking (6%) and Computer Software (6%) are the largest segments.

    Companies using IBM VTAM - Distribution by industry

    Top Countries that use IBM VTAM

    68% of IBM VTAM customers are in United States.

    IBM VTAM customers by country

    Distribution of companies that use IBM VTAM based on company size (Employees)

    Of all the customers that are using IBM VTAM, a majority (54%) are large (>1000 employees), 15% are small (<50 employees) and 30% are medium-sized.

    Companies using IBM VTAM, by size (number of employees)

    Distribution of companies that use IBM VTAM based on company size (Revenue)

    Of all the customers that are using IBM VTAM, 42% are small (<$50M), 7% are medium-sized and 44% are large (>$1000M).

    IBM VTAM clients - distribution by company revenue

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