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221320 - Sewage Treatment Facilities
Top Businesses by Revenue for 221320:
| DC Water and Sewer Authority | Washington | DC |
| Metroplitan St Louis Sewer Dst | Saint Louis | MO |
| Hampton Roads Sanitation Dst | Virginia Beach | VA |
| Louisville/Jefferson Co Sewer | Louisville | KY |
| Clean Water Services | Hillsboro | OR |
| Middlesex Cnty Utilities Auth | Sayreville | NJ |
| Metro Wstwater Reclamation Dst | Denver | CO |
| Water Solutions Holdings LLC | Canonsburg | PA |
| Veolia Wtr N Amrca-Central LLC | Boston | MA |
| Renewable Water Resources | Greenville | SC |
221320 - Sewage Treatment Facilities
This industry comprises establishments primarily engaged in operating sewer systems or sewage treatment facilities that collect, treat, and dispose of waste.
Cross-References. Establishments primarily engaged in--
- Operating waste treatment or disposal facilities (except sewer systems or sewage treatment facilities)--are classified in Industry 56221, Waste Treatment and Disposal;
- Pumping (i.e., cleaning) septic tanks and cesspools--are classified in U.S. Industry 562991, Septic Tank and Related Services; and
- Cleaning and rodding sewers and catch basins--are classified in U.S. Industry 562998, All Other Miscellaneous Waste Management Services.
| 2007 NAICS | 2012 NAICS | 2017 NAICS | Index Entries for 221320 |
|---|---|---|---|
| 221320 | 221320 | 221320 | Collection, treatment, and disposal of waste through a sewer system |
| 221320 | 221320 | 221320 | Sewage disposal plants |
| 221320 | 221320 | 221320 | Sewage treatment plants or facilities |
| 221320 | 221320 | 221320 | Sewer systems |
| 221320 | 221320 | 221320 | Waste collection, treatment, and disposal through a sewer system |