Market map · United States · Utilities & infrastructure

Water & wastewater utilities in United States_

As of 4 November 2026, 1,636 water & wastewater utilities companies are based in United States; 76 are hiring right now and Houston has the most.

As of 4 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.

Companies
1,636
Hiring now
76 · 40 new in 30 d
Largest niche
Water & utility authorities · 1,289
Top city
Houston · 46
Parent market
Utilities & infrastructure · 17,296
1,636water & wastewater utilities companies in United States
76hiring today
40opened a role in the last 30 days
17niches inside the segment
02 — Niches, sizes, cities

Water & wastewater utilities in United States, broken down

By niche
companiesshare
Water & utility authorities
1,28979%
Water supply utilities
1,12769%
Wastewater & sewerage utilities
28918%
Other water & wastewater utilities
201%
Electricity grid operators
151%
Municipal & commercial waste collection
80%
Oilfield services & equipment
70%
Gas grid operators
60%
Oil & gas exploration production
30%
Hazardous waste management
20%
Wastewater engineering
20%
District heating & cooling networks
10%
Energy trading & wholesale marketers
10%
Fixed & fibre network operators
10%
Fuel terminals & storage
10%
By company size
companies · hiring
Self-employed
50 · 0
2-10 employees
1,131 · 7
11-50 employees
252 · 12
51-200 employees
134 · 28
201-500 employees
42 · 14
501-1000 employees
20 · 9
1001-5000 employees
7 · 6
By city
companiesshare
Houston
463%
San Antonio
91%
Austin
80%
Columbia
60%
Katy
60%
Cameron
50%
Benton
40%
Fresno
40%
Greeneville
40%
Jacksonville
40%
Spring
40%
Washington
40%
03 — Largest companies

The biggest water & wastewater utilities companies in United States

The largest companies of the segment, by headcount; job boards and portals left out.

1,636 water & wastewater utilities companies in United States.

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04 — What they run

The stack of water & wastewater utilities in United States

From their websites and DNS records, page plumbing left out.

Cite this

Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.

1,636 water & wastewater utilities companies are based in United States; 76 are hiring right now and Houston has the most. (Breaknorm, 4 November 2026, https://breaknorm.co/market/utilities_infrastructure/united-states/water_and_wastewater_utilities)
How we know

Read from the source, not self-reported

Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →

  • ClassificationEvery company is classified from its own website into vertical, sub-vertical and leaf with a confidence score; this page counts industry confidence ≥ 0.7 and country confidence ≥ 0.8.
  • Company listRich profiles with a LinkedIn-known headcount only; job boards, directories, portals and non-organisations are left out.
  • HiringOpen roles read hourly from the company's own career system.
FAQ

Water & wastewater utilities in United States: questions

How many water & wastewater utilities companies are there in United States?

1,636 with a confident classification, read from their own websites.

What is a sub-vertical?

The middle level of our industry tree: Utilities & infrastructure → Water & wastewater utilities → leaf niches such as water & utility authorities, water supply utilities, wastewater & sewerage utilities. Each company carries all three with a confidence score.

Can I get the list?

Yes: the first 20 largest are on this page; the full list with verified e-mails is in the product. Counting is free.

Companies and people

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Every water & wastewater utilities company in United States,
with the person who decides

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