Backflow Prevention

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

• Valves & Fittings
• Valves & Fittings Retail

North American Industry Classification System (NAICS) Categories:

• Industrial Supplies Merchant Wholesalers > Valves, Fittings & Gears > Valves & Fittings
• Hardware Stores > Tool Accessories > Valves & Fittings Retail

Standard Industry Classification (SIC) Categories:

• Industrial Supplies > Valves, Fittings & Gears > Valves & Fittings
• Hardware Stores > Hardware Stores, Nec > Valves & Fittings Retail