Trades
The Trades provide support to the Area Shops. The groups have greater depth per craft and are able to perform a larger scope of work. The following is a list of OPP Trades:
| Asbestos Removal & Insulation | Carpentry | Electrical | Environmental Systems |
| Locks | Machining | Masonry & Cement | Oil & Gas Burners |
| Painting | Plumbing | Pumps | Refrigeration |
| Sheet Metal | Sign Making | Second Shift Preventative Maintenance | Steam Trap |
| Vibration Analysis | Water Analysis | Welding | Weekend Shift Trades |
