Spinoffs
- 1934 Dayton Scale Division is sold to the Hobart Manufacturing Company.
- 1942 Ticketograph Division is sold to the National Postal Meter Company.
- 1958 Time Equipment Division is sold to the Simplex Time Recorder Company.
- 1972 SAP, world-leader in collaborative business software, founded by five former IBM employees (then System Analyse und Programmentwicklung)
- 1984 Prodigy, formerly a joint venture with Sears, Roebuck and Company.
- 1985 Satellite Business Systems sold to MCI Communications
- 1988 Copier/Duplicator business, including service and support contracts, sold to Eastman Kodak.
- ARDIS mobile packet network, a joint venture with Motorola. Now Motient.
- 1991 Lexmark (keyboards, typewriters, and printers). IBM retained a 10% interest. Lexmark has sold its keyboard and typewriter businesses.
- 1991 Kalieda, a joint Multimedia software venture with Apple Computer.
- 1992 Taligent, a joint software venture with Apple Computer.
- 1992 IBM Commercial Multimedia Technologies Group, spun off to form private company Fairway Technologies.
- 1992 IBM sells its remaining 50 percent stake in the Rolm Company to Siemens A.G. of Germany.
- 1994 Xyratex enterprise data storage subsystems and network technology, formed in a management buy-out from IBM.
- 1995 Advantis (Advanced Value-Added Networking Technology of IBM & Sears), a voice and data network company. Joint Venture with IBM holding 70%, Sears holding 30%. AT&T acquires the infrastructure portion of Advantis in 1999, becoming the AT&T Global Network. IBM retained business and strategic outsourcing portions of the joint venture.
- 1994 Federal Systems Division sold to Loral becoming Loral Federal Systems. The Federal Systems Division performed work for NASA. Loral was later acquired by Lockheed Martin.
- 1996 Celestica, Electronic Manufacturing Services (EMS).
- 1998 IBM Global Network sold to AT&T to form AT&T Business Internet.
- 1999 Dominion Semiconductor (DSC) IBM sells its 50% share to JV partner Toshiba. DSC becomes a wholly owned subsidiary of Toshiba.
- 2001 Information Services Extended department, developer of specialized databases and software for telephone directory assistance, is spun off to form privately held company ISx, Inc (later sold to Local Matters).
- December 31, 2002 IBM sells its HDD business to Hitachi Global Storage Technologies for approximately $2 billion. Hitachi Global Storage Technologies now provides many of the hardware storage devices formerly provided by IBM, including IBM Harddrives & The Microdrive. IBM continues to develop storage systems, including tape backup, storage software and enterprise storage.
- December 2004 Lenovo Group acquires 90% interest in IBM Personal Systems Group, 10,000 employees and $9 billion in revenue.
- April 3, 2006 Web analytics provider Coremetrics acquires SurfAid Analytics, a standalone division of IBM Global Services. The deal was said to be in the "eight-figure" range, making it worth at least $10 million. (Note: Since then Coremetrics has in turn been acquired by IBM)
- January 25, 2007 Three-year joint venture with IBM Printing Systems division and Ricoh to form new Ricoh-owned subsidiary, InfoPrint Solutions Company, for $725 million.
- September 2009 IBM launches online business IT video advice service in association with GuruOnline.
- September 2009 IBM sells its U2 multivalue database and application development products (created by VMark, UniData, System Builder and Prime Computer, obtained via the Informix acquisition) to Rocket Software
- April 2012 IBM sells its Retail Store Solutions division (Point-of-Sales) to Toshiba TEC
Read more about this topic: List Of Mergers And Acquisitions By IBM