Njef

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

• Environmental Services Water Treatment Services

North American Industry Classification System (NAICS) Categories:

• Administration Of Air And Water Resource And Solid Waste Management Programs > Environmental Services > Environmental Services Water Treatment Services

Standard Industry Classification (SIC) Categories:

• Air And Water Resource And Solid Waste Management > Environmental Services > Environmental Services Water Treatment Services