Waterworks is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Plumbing Equip, Parts & Supplies
• Waterworks Equipment & Supplies

North American Industry Classification System (NAICS) Categories:

• Plumbing And Heating Equipment And Supplies (Hydronics) Merchant Wholesalers > Plumbing Fixtures & Fittings
• Hardware Stores > Plumbing & Heating Supplies Retail > Plumbing Equipment, Parts & Supplies

Standard Industry Classification (SIC) Categories:

• Plumbing And Heating Equipment And Supplies (Hydronics) > Plumbing & Hydronic Heating Supplies, Nec > Water Works Equipment & Supplies Wholesale
• Hardware Stores > Plumbing & Heating Supplies Retail > Plumbing Equip, Parts & Supplies