Company Story
1911 - The company was founded on June 16, 1911, as a merger of three companies: Tabulating Machine Company, International Time Recording Company, and Computing Scale Company.
1924 - The company was renamed International Business Machines Corporation (IBM).
1933 - IBM developed its first electric typewriter, the Electromatic.
1944 - IBM developed the first commercial computer, the Automatic Sequence Controlled Calculator (ASCC).
1953 - IBM introduced its first computer, the IBM 701.
1964 - IBM introduced the System/360, a family of compatible computers that revolutionized the industry.
1973 - IBM introduced the relational database management system, System R.
1981 - IBM introduced the IBM PC, which became the industry standard for personal computers.
1991 - IBM acquired Lotus Software Corporation.
1993 - IBM acquired ROLM Corporation.
2002 - IBM acquired PricewaterhouseCoopers Consulting.
2005 - IBM acquired IBM Daksh Business Process Outsourcing.
2007 - IBM acquired FileNet Corporation.
2009 - IBM acquired SPSS Inc.
2015 - IBM acquired The Weather Company's product and technology businesses.
2019 - IBM acquired Red Hat for $34 billion, its largest acquisition to date.