As part of USFilter, Wallace & Tiernan designs and manufactures a broad range of water and wastewater treatment systems.

• See also:
• Masterformat 2004
• 23 21 23 - Hydronic Pumps
• 43 32 76 - Chlorination Equipment
• 44 41 00 - Water Pollution Containment and Cleanup Equipment
• 46 30 00 - Water and Wastewater Chemical Feed Equipment
• Masterformat 1995
• 11260 - Disinfectant Feed Equipment
• 11300 - Fluid Waste Treatment & Disposal
• 15130 - Pumps
• 15950 - Testing, Adjusting, Balancing