| Civil Construction - 4 Years |
| Commerical Construction - 14 Years |
| Demolition - 2 Years |
| Marine Construction - 5 Years |
| Petrochemical/Oil Refinery Maintenance - 1 Years |
| Pipeline Construction - 5 Years |
| Power Plant Construction - 1 Years |
| Powerline T/D - 1 Years |
| Solar Farm Construction - 3 Years |