Backflow Inspection

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

• Electric Equipment & Systems
• Plumbing Contractors

North American Industry Classification System (NAICS) Categories:

• Plumbing, Heating, And Air-Conditioning Contractors > Plumbing Contractors
• Electrical Apparatus And Equipment, Wiring Supplies, And Related Equipment Merchant Wholesalers

Standard Industry Classification (SIC) Categories:

• Plumbing, Heating And Air Conditioning > Plumbing Contractors
• Electrical Apparatus & Equipment