| Civil Construction - 2 Years |
| Concrete Construction - 2 Years |
| Electrical Construction - 1 Years |
| LNG Construction - 1 Years |
| Marine Construction - 1 Years |
| Petrochemical/Oil Refinery Construction - 1 Years |
| Petrochemical/Oil Refinery Maintenance - 2 Years |
| Pipeline Construction - 2 Years |
| Power Plant Construction - 2 Years |
| Steel Erection - 2 Years |