| Demolition - 3 Years |
| LNG Construction - 3 Years |
| Marine Construction - 4 Years |
| Offshore Drilling - 4 Years |
| Petrochemical/Oil Refinery Construction - 4 Years |
| Petrochemical/Oil Refinery Maintenance - 5 Years |
| Pipeline Construction - 4 Years |
| Power Plant Construction - 2 Years |
| Powerline T/D - 2 Years |
| Steel Erection - 4 Years |
| Steel Plant Maintenance - 3 Years |
| Well Site/Frac Site Operations - 3 Years |