All activities related with NAICS 6-digit Code 221320

NAICS code 221320 belongs to Sewage Treatment Facilities industry and they have 5 activities.

Activities List for Sewage Treatment Facilities Industry

• Collection, treatment, and disposal of waste through a sewer system
• Sewage disposal plants
• Sewage treatment plants or facilities
• Sewer systems
• Waste collection, treatment, and disposal through a sewer system

NAICS Code 221320 Hierarchy

• 22Utilities
• 221Utilities
• 2213Water, Sewage and Other Systems
• 22132Sewage Treatment Facilities

Topics related with code 221320

There are 10 words closely related with others activities of Sewage Treatment Facilities industry.

• collection (35)
• disposal (41)
• facilities (245)
• plants (233)
• sewage (14)
• sewer (22)
• system (98)
• systems (128)
• treatment (36)
• waste (71)