We have found 7,093 companies that use IBM Vsam. The companies using IBM Vsam are most often found in United States and in the Computer Software industry. IBM Vsam is most often used by companies with >10000 employees and >1000M dollars in revenue. Our data for IBM Vsam usage goes back as far as 4 years and 6 months.
|Emmis Communications Corp||emmis.com||United States||100M-200M||500-1000|
|Centier Bank||centier.com||United States||100M-200M||1000-5000|
|MSH Group||mshgroupconsulting.com||United States||10M-50M||50-200|
|Rheem Manufacturing Company Inc.||rheem.com||United States||>1000M||>10000|
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 Vsam has a market share of about 0.3%. Other major and competing products in this category include:
Virtual storage access method is an IBM DASD file storage access method,first used in the OS/VS1, OS/VS2 Release 1 and Release 2 operating systems and now in z/OS. VSAM comprises four data set organizations, Key Sequenced Data Set , Relative Record Data Set , Entry Sequenced Data Set and Linear Data Set. The KSDS, RRDS and ESDS organizations contain records, while the LDS organization contains a sequence of pages with no intrinsic record structure, for use as a memory-mapped file.
Looking at IBM Vsam customers by industry, we find that Computer Software (18%), Information Technology and Services (8%) and Insurance (5%) are the largest segments.
|Industry||Number of companies|
|Information Technology and Services||585|
|Hospital & Health Care||259|
59% of IBM Vsam customers are in United States.
|Country||Number of companies|
|Employees||Number of companies|
|Revenue (in USD)||Number of companies|