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

• Plumbing Contractors
• Plumbing Equip, Parts & Supplies
• Plumbing Fixtures & Supplies
• Plumbing Repair & Service

North American Industry Classification System (NAICS) Categories:

• Plumbing, Heating, And Air-Conditioning Contractors > Plumbing Contractors
• Plumbing, Heating, And Air-Conditioning Contractors > Plumbing Contractors > Plumbing Repair & Service
• Plumbing And Heating Equipment And Supplies (Hydronics) Merchant Wholesalers > Plumbing Fixtures & Accessories
• Hardware Stores > Plumbing & Heating Supplies Retail > Plumbing Equipment, Parts & Supplies

Standard Industry Classification (SIC) Categories:

• Plumbing, Heating And Air Conditioning > Plumbing Contractors
• Plumbing, Heating And Air Conditioning > Plumbing Contractors > Plumbing Repair & Service
• Plumbing And Heating Equipment And Supplies (Hydronics) > Plumbing Fixtures & Accessories
• Hardware Stores > Plumbing & Heating Supplies Retail > Plumbing Equip, Parts & Supplies