Hot Tapping and Line Stopping, ASME U-1-Mfr. of Sec. VIII, Div 1 Pressure Vessels (SHOP ONLY), CSA-B51 Fittings, Medical Gas Piping Installation CSA-Z7396.1 (SHOP & FIELD), Power Piping Installation ASME B31.1 (SHOP & FIELD), Boiler & Pressure Vessel Repair/Alteration (SHOP & FIELD), Refrigeration Piping Installation ASME B31.5 (SHOP AND FIELD), Process Piping Installation ASME B31.3 (SHOP & FIELD)