Culligan Water Conditioning Sales & Service is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Engineers Waste Water Treatment
• Waste Water Treatment
• Water Softening & Conditioning Equipment & Supplies
• Water Treatment

North American Industry Classification System (NAICS) Categories:

• Plumbing And Heating Equipment And Supplies (Hydronics) Merchant Wholesalers > Water Filters & Purification Equipment > Water Softening & Conditioning Equipment
• Engineering Services > Engineers Environmental > Engineers Waste Water Treatment
• All Other Support Services > Water Services > Water Treatment Service
• Other Nonhazardous Waste Treatment And Disposal > Liquid Waste Services > Waste Water Treatment

Standard Industry Classification (SIC) Categories:

• Refuse Systems > Liquid Waste Services > Waste Water Treatment
• Plumbing And Heating Equipment And Supplies (Hydronics) > Water Filters & Purification Equipment > Water Softening & Conditioning Equipment
• Business Services, Nec > Water Services > Water Treatment Service
• Engineering Services > Engineers Environmental > Engineers Waste Water Treatment