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

• Pipe Inspection Service
• Pipe & Leak Locating
• Sewer & Drain Cleaning Service & Repair
• Utility Location Services

North American Industry Classification System (NAICS) Categories:

• Support Activities For Oil And Gas Operations > Oil Field & Well Testing, Measuring & Surveying > Oil Field & Well Inspection
• Electric Power Distribution > Energy Services > Utility Location Services
• All Other Specialty Trade Contractors > Tank & Pipe Contractors > Pipe & Related Products Testing & Leak Location
• Septic Tank And Related Services > Septic Cleaning

Standard Industry Classification (SIC) Categories:

• Oil & Gas Field Services, Nec > Oil Field & Well Testing, Measuring & Surveying > Oil Field Service Pipe Inspection
• Special Trade Contractors, Nec > Tank & Pipe Contractors > Pipe & Related Products Testing & Leak Location
• Combination Utilities, Nec > Utility Locating Services
• Repair Shops And Related Services, Nec > Cleaning Services > Sewer & Drain Cleaning