BUNCH

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The group of mainframe computer competitors to IBM in the 1970s became known as the BUNCH: Burroughs, UNIVAC, NCR, Control Data Corporation, and Honeywell. These companies were grouped together because the marketshare of IBM was much higher than all of its competitors put together. [1] [2]

During the 1960s, IBM and these five computer manufacturers, along with RCA and General Electric, had been known as "Snow White and the Seven Dwarfs." The description of IBM's competitors changed after GE's 1970 sale of its computer business to Honeywell and RCA's 1971 sale of its computer business to Univac, leaving only five "dwarfs". Fortunately, their initials lent themselves to a new acronym, BUNCH.

[edit] Where are they now?

Burroughs & UNIVAC: In September 1986, after Burroughs purchased Sperry (the parent company of UNIVAC), the name of the company was changed to Unisys
NCR: In 1982, NCR became involved in open systems architecture, starting with the UNIX-powered TOWER 16/32, and placed more emphasis on computers smaller than mainframes. NCR was acquired by AT&T in 1991. A restructuring of AT&T in 1996, led to its re-establishment on 1 January 1997, as a separate company. In 1998, NCR sold its computer hardware manufacturing assets to Solectron and ceased to produce general-purpose computer systems.
Control Data Corporation: Control Data Corporation is now Syntegra (USA), a subsidiary of British company BT Group's BT Global Services
Honeywell: In 1991 Honeywell's computer division was sold to the French computer company Groupe Bull.

[edit] Other mainframe manufacters during the 1960s and 1970s

Scientific Data Systems (later known as Xerox Data Systems after its purchase by Xerox in 1969) also sold mainframe computers, but with around 1% marketshare, it was not a major factor in the marketplace. Xerox closed the division in 1975, with most rights sold to Honeywell.
In 1976, Cray Research (a company supported by Seymour Cray's former employer Control Data Corporation), released the Cray-1 vector computer.