Associated Tube Industries (ATI) is a major North American manufacturer (and the largest Canadian manufacturer) of stainless steel, nickel alloy, molybdenum alloy, duplex alloy and titanium welded tube and pipe.

• See also:
• Masterformat 2004
• 21 05 29 - Hangers and Supports for Fire-Suppression Piping and Equipment
• 22 05 29 - Hangers and Supports for Plumbing Piping and Equipment
• 22 30 00 - PLUMBING EQUIPMENT
• 22 33 00 - Electric Domestic Water Heaters
• 22 34 00 - Fuel-Fired Domestic Water Heaters
• 22 35 00 - Domestic Water Heat Exchangers
• 23 05 29 - Hangers and Supports for HVAC Piping and Equipment
• Masterformat 1995
• 15060 - Hangers and Supports
• 15480 - Domestic Water Heaters