| sigma supplies co. |
| SIGMA SYNERGY SHIP MANAGEMENT L.L.C |
| SIGMA SYNTHETICS ENTERPRISES L.L.C |
| SIGMA TAILORING & EMB. |
| SIGMATECH DUBAI |
| SIGMATECH GENERAL TRADING L.L.C |
| SIGMA TECHNICAL SERVICES /L.L.C |
| SIGMA TECHNICAL SERVICES LLC |
| SIGMA TECHNOLOGIES L.L.C |
| SIGMA TECH TRADING L.L.C |
