We have found 2,263 companies that use IBM VTAM. The companies using IBM VTAM are most often found in United States and in the Computer Software 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 4 years and 4 months.
|Cummins-Allison Corp.||cumminsallison.com||United States||200M-1000M||1000-5000|
|MSH Group||mshgroupconsulting.com||United States||10M-50M||50-200|
|Cybervation, Inc.||cybervationinc.com||United States||1M-10M||50-200|
|Rheem Manufacturing Company Inc.||rheem.com||United States||>1000M||>10000|
|DevCare Solutions||devcare.com||United States||1M-10M||50-200|
We use the best scanning techniques combined with advanced data science to monitor the market share of over 5,000 technology products, including Operating Systems. In the Operating Systems category, IBM VTAM has a market share of about 0.1%. Other major and competing products in this category include:
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.
Looking at IBM VTAM customers by industry, we find that Computer Software (18%), Banking (8%), Information Technology and Services (6%), Financial Services (5%) and Insurance (5%) are the largest segments.
|Industry||Number of companies|
|Information Technology and Services||144|
|Hospital & Health Care||94|
65% of IBM VTAM customers are in United States.
|Country||Number of companies|
|Employees||Number of companies|
|Revenue (in USD)||Number of companies|