St. Paul

• Trade – Gasburner A, #12623
• Trade – Oilburner A, #13908
• Trade – Refrigeration A, #14203
• Trade – RVentilation, #MB0407
• Trade – RWarm Air, MA0407
• Trade – Steamfitting A, #14734
• Trade – Master Electrical, #AM00752

Minneapolis

• Master Refrigeration Installer, RIM576
• Journeyman Refrigeration Installer, FIJ1402
• Master Steam/Hot Water Installer, HWM557
• Master Oil Burner Installer, OBM187