Well the IBM,Burroughs, UNIVAC, NCR, Control data,honeywell,general electric and RCA were the manufacturers. The examples of mainframe computers are IBM zSeries, System z9 and System z10 servers.
What Are Five Examples Of Mainframe Computer?
IBM,Burroughs, UNIVAC, NCR, Control data,honeywell,general electric and RCA
IBM 4381 , DEC 10 , NEC 610
Ordinary computers