AT&T bought NCR, then spun it off at the same time it spun off Lucent. NCR lives on as a solutions company, after selling its hardware business to Solectron.
Sperry == UNIVAC, discussed earlier by snipped-for-privacy@bbs.cpcn.com.
GE was never part of the BUNCH, by definition: B = Burroughs U = Univac N = NCR C = CDC H = Honeywell By the time the BUNCH acronym was popular, GE had already sold its computer business to Honeywell.
Honeywell sold its computer business to Groupe Bull in 1991. Honeywell lives on, having merged with Allied Signal in 1999.