| Company | Profits 2011 (thou. BGN) |
Profits 2010 (thou. BGN) |
Change | |
| 1 | VALI Computers Ltd. | 13 559,4 | - | - |
| 2 | Plesio Computers Ltd. | 9 230 | 9 419,2 | -2% |
| 3 | Printec Bulgaria JSC | 7 075,33 | - | - |
| 4 | CAD R&D Center Progress Ltd. | 1 800 | - | - |
| 5 | STEMO Ltd. | 1 737 | 1 811 | -4,1% |
| 6 | Sirma Group Holding JSC | 1 643,1 | 903,6 | 81,8% |
| 7 | PMB Ltd. | 1 465,6 | 1 571,4 | -6,7% |
| 8 | Kontrax JSC | 597,2 | 1 839,5 | -67,5% |
| 9 | GSS Ltd. | 550 | 959,5 | -42,7% |
| 10 | Stone Computers JSC | 462 | 1 950 | -76,3% |
| 11 | Information Services Ltd. | 390 | 251 | 55,4% |
| 12 | Paraflow Communications Ltd. | 371 | 460 | -19,3% |
| 13 | Unimatix Ltd. | 350,1 | 373,2 | -6,2% |
| 14 | PrimaSoft Ltd. | 350 | 373,2 | -6,2% |
| 15 | Mistral Software Ltd. | 312,6 | - | - |
| 16 | Hi-Tech Electronica Ltd. | 288 | - | - |
| 17 | APCOM Ltd. | 277 | 530,8 | -47,8% |
| 18 | Acsior Ltd. | 211 | 85 | 148,2% |
| 19 | Persy Ltd. | 185 | 122 | 50,5% |
| 20 | Microinvest Ltd. | 180,1 | 234,2 | -23,1% |
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