Valid Journeyman certificate in one of the following trades; Heavy Duty Equipment Mechanic (BC, NU, SK), Heavy Duty Equipment Mechanic (Construction) (QC), Valid Journeyman certificate in one of the following trades; Heavy Duty Equipment Mechanic (BC, NU, SK), Heavy Duty Equipment Mechanic (Construction) (QC), Heavy Duty Equipment Mechanic (Non-Construction) (QC), Heavy Equipment Service Technician (NB), Heavy Equipment Technician (NT), Heavy Equipment Technician - Heavy Duty Equipment Mechanic (Off Road) (AB) Heavy Equipment Technician (AB), Heavy Equipment Technician - Truck and Transport Mechanic (AB), Truck and Transport Mechanic (SK, MB) Commercial Transport Vehicle Mechanic (BC), Heavy Equipment Technician - Truck and Transport Mechanic (NT), Truck and Coach Technician (ON), Truck and Transport Service Technician (NB), Truck and Transport Technician (YT). WM has the largest disposal network and collection fleet in North America, is the largest recycler of post‑consumer materials and is a leader in beneficial use of landfill gas, with a growing network of renewable natural gas plants and the most landfill gas‑to‑electricity plants in North America.