| Summary |
| Origin of BULL |
| 1919-1931 from Norway |
| 1931-1933 to France |
| Compagnie des Machines BULL |
| 1933-1940 |
| 1940-1948 |
| 1949-1958 |
| 1958-1962 |
| 1962-1964 the decline |
| Olivetti, the Bull's Italy cousin |
| Bull under General Electric |
| 1964-1967 |
| 1967-1970 |
| Bull under Honeywell |
| 1970-1975 |
| French Companies |
| 1948-1966 SEA and CAE |
| 1966-1975 CII |
| 1972-1976 Unidata |
| CII-Honeywell-Bull |
| 1975-1982 |
| Bull Micral and the PC |
| SEMS and Transac |
| Groupe Bull nationalized |
| 1982-1985 a consolidation of French industry |
| 1985-1992
a world-wide ambition |
| 1992-1994
beginning of Bull restructuring |
| Bull a private company |
| 1994- |
| Bull computers history Index |
| FEBHome |
| This page has been developed and is currently maintained by Jean Bellec, on the base of documentation gathered by Fédération des Equipes Bull |