| SIGMA INTEGRATED SECURITY SERVICES L.L.C |
| SIGMA INTEGRATED TECHNICAL SERVICES L.L.C |
| Sigma Intergrated Solutions |
| SIGMA INTERNATIONAL |
| SIGMA INTERNATIONAL FZC |
| SIGMA INTERNATIONAL FZCO(REPRESENTATIVE OFFICE)BR DUBAI |
| Sigma Int'l |
| Sigma Int'l for Trading |
| SIGMA IT FOR COMPUTER |
| SIGMA IT FOR COMPUTERS COMPANY |
