Williams Civil Division

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

• General Contractors & Building Contractors
• Excavating Contractors
• Septic Tanks & Systems Cleaning & Repairing
• Water Companies & Associations

North American Industry Classification System (NAICS) Categories:

• Water Supply And Irrigation Systems > Water Supply > Water & Sewage Companies Utility
• New Single-Family Housing Construction (Except Operative Builders) > Contractors, General
• Plumbing, Heating, And Air-Conditioning Contractors > Septic Tanks & Systems > Septic Tanks & Systems Repairing
• Site Preparation Contractors
• Septic Tank And Related Services > Septic Cleaning

Standard Industry Classification (SIC) Categories:

• General Contractors - Single-Family Houses > General Contractors - Residential
• Plumbing, Heating And Air Conditioning > Septic Tanks & Systems > Septic Systems Installation & Repair
• Excavation Work
• Water Supply > Water & Sewage Companies Utility
• Repair Shops And Related Services, Nec > Cleaning Services > Septic Tank & Systems Cleaning