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| Type | Company |
| Location | France (Western Europe) |
| Industry | Telecommunications |
| Holdings | Newspaper clippings: 1967-2003 Annual reports: 1993-1995 |
| includes | Metra International (Montrouge); Sema Groupe SA (Montrouge); Sema-Metra (Montrouge); Societe d’Economie et de Mathematique Appliquees (Montrouge) |
| URI | https://pm20.zbw.eu/folder/co/020160 |
| ID | co/020160 |