NAICS 221320
Sewage Treatment Facilities
RampedUp holds 10,063 professional profiles classified to 2022 NAICS 221320 as of the build — 0.0% of all profiles carrying a NAICS classification. Of those, 4,674 carry a professional email address and 1,046 carry a mobile number. Ranked #271 of 370 codes.
What NAICS 221320 covers
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--
Official 2022 NAICS definition. Sector 22 — Utilities. Mapped in the RampedUp taxonomy to Water, Waste, Steam, and Air Conditioning Services.
What the records carry
Field coverage for NAICS 221320, August 2026 build.
| Field on the record | Records | Share of 221320 | Share across all NAICS |
|---|---|---|---|
| Professional email | 4,674 | 46.4% | 50.8% |
| Personal email | 1,080 | 10.7% | 16.0% |
| Phone (any) | 8,860 | 88.0% | 89.3% |
| Mobile number | 1,046 | 10.4% | 13.4% |
| Primary contact record | 7,627 | 75.8% | 63.9% |
| All five present on one record | 212 | 2.1% | 4.5% |
Counts come from the RampedUp August 2026 build. RampedUp's crosswalk maps each 6-digit 2022 NAICS code to exactly one industry in its own taxonomy, so this is that industry's population viewed under the NAICS classification — not a separate tally.
Comparable NAICS codes
The codes ranked either side of 221320 by profile count.
| # | Code | Title | Profiles | Professional email |
|---|---|---|---|---|
| 269 | 335220 | Major Household Appliance Manufacturing | 10,262 | 3,759 |
| 270 | 459140 | Musical Instrument and Supplies Retailers | 10,168 | 8,048 |
| 272 | 924110 | Administration of Air and Water Resource and Solid Waste Management Programs | 9,855 | 4,041 |
| 273 | 513120 | Periodical Publishers | 9,792 | 4,307 |
Questions about NAICS 221320
What is NAICS code 221320?
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--
How many contacts does RampedUp have for NAICS 221320?
10,063 professional profiles as of the August 2026 build, which is 0.0% of all profiles carrying a NAICS classification. Counts come from the RampedUp August 2026 build. RampedUp's crosswalk maps each 6-digit 2022 NAICS code to exactly one industry in its own taxonomy, so this is that industry's population viewed under the NAICS classification — not a separate tally.
What contact details are available for NAICS 221320?
4,674 records carry a professional email address (46.4%), 1,080 a personal email address, 8,860 a phone number and 1,046 a mobile number.
Need this cross-filtered?
Exact counts for NAICS 221320 on its own. For this code combined with a title level, company size or a required field, ask and we will run it against the live file.