Severn Trent

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

• Waste Water Treatment
• Water Purification
• Water Treatment

North American Industry Classification System (NAICS) Categories:

• All Other Support Services > Water Services > Water Recycling & Pretreatment
• 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
• Business Services, Nec > Water Services > Water Recycling & Pretreatment
• Business Services, Nec > Water Services > Water Treatment Service