| Top500 2009 - Die stärksten ICT-Firmen der Schweiz |
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| Rang | Firma | Umsatz | Mitarbeiter | ||
| 1 | (1) | Swisscom AG | 12198,0 Mio. | 19943 | |
| 2 | (2) | Sunrise TDC Switzerland AG | 1856,0 Mio. | 1500 | |
| 3 | (3) | Hewlett-Packard (Schweiz) GmbH * | 1760,0 Mio. | 1400 | |
| 4 | (4) | Orange Communications SA * | 1700,0 Mio. | 1440 | |
| 5 | (5) | IBM (Schweiz) AG * | 1660,0 Mio. | 3320 | |
| 6 | (6) | Also Holding AG * | 1150,0 Mio. | 370 | |
| 7 | - | SIX Group AG * | 1100,0 Mio. | 2500 | |
| 8 | (7) | Cablecom GmbH | 1098,0 Mio. | 1500 | |
| 9 | (8) | Microsoft GmbH * | 970,0 Mio. | 444 | |
| 10 | (12) | Cisco Systems (Switzerland) GmbH * | 720,0 Mio. | 300 | |
* Schätzung Computerworld | |||||
