| Sigma Core |
| SIGMA DETERGENT INDUSTRIAL |
| SIGMA ELECTROMECHANICAL CONTRACTING/L.L.C |
| SIGMA ELECTROMECHANICAL TRADING (L.L.C) ( |
| SIGMA ELECTROMECHANICAL TRAIDING LLC - WAREHOUSE 1 |
| SIGMA ENGINEERING |
| SIGMA ENGINEERING |
| SIGMA ENGINEERING & TRADE |
| SIGMA ENGINEERING EST. |
| SIGMA ENGINEERING INDUSTRIES L.L.C |
