List of Water Distribution Companies in the USA

Last updated 21 October 2026

There are 20,889 water distribution companies in the USA, one in every 3,058 US companies. Most of them are small: two in three have one to four people, and only 608 firms employ 50 people or more. One in twenty-one water distribution firms is based in Houston, Austin, Denver, Phoenix and Bakersfield. Below you find the largest water distribution firms in the USA, the cities where they cluster, how many started this year and which are the oldest. The full list with addresses, phone numbers and email is in our US company database or through the Company Data API.

20,889 companies indexed · Data counted on 21 October 2026

Companies20,8891 in3,058 US companiesCities6,570Largest cityHouston 586Sole traders3%Employees1-4 (68%)Revenue$100-500K (47%)Email34%Phone72%Website52%

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A live view of all 20,889 water distribution firms, sorted by revenue. Narrow it by region, city, employee size, revenue, legal form or founding year, or search a firm by name.

American Water Works Company, INC.American Water Works Company, INC.

	Company Name	Country	City	Address 1	State/Province	Postal Code	Website	Founding Year	Yearly Revenue in U.S. Dollars	Employees Total	Business Legal Type - Description	Number of Companies in Group	Company Registration Number
1	American Water Works Company, INC.	USA	Camden	1 Water St	Camden	08102-1658	amwater.*****	1886	$5,140,000,000	7,000	Corporation	450	352210
2	Essential Utilities, INC.	USA	Bryn Mawr	762 W Lancaster Ave	Montgomery	19010-3402	aquaamerica.*****	2025	$2,474,615,000	3,303	Corporation	450	0000279757
3	Veolia Water Americas, LLC	USA	Houston	4760 World Houston Pkwy	Harris	77032-2590	veolianorthamerica.*****	2012	$2,140,300,781	3,200	Corporation	6176	N/A
4	Veolia Water North America Operating Services, LLC	USA	Boston	53 State St Ste 14	Suffolk	02109-3205	veolianorthamerica.*****	1986	$2,114,031,046	2,425	Corporation	6176	2102102
5	Epcor USA INC.	USA	Glendale	5656 W Talavi Blvd	Maricopa	85306-1876	epcor.*****	2010	$1,281,650,625	287	Corporation	165	4674568
6	130 Regional Water Supply CORPORATION	USA	Phoenix	2355 W Pinnacle Peak Rd Ste 300	Maricopa	85027-1282	N/A	2016	$1,204,248,214	3	Corporation	165	0802487891
7	Puerto Rico Aqueduct And Sewer Authority	USA	San Juan	604 Ave Barbosa	San Juan	00917	N/A	N/A	$1,149,328,000	1		N/A	N/A
8	Pennsylvania - American Water Company	USA	Mechanicsburg	852 Wesley Dr	Beaver	17055-4475	amwater.*****	1904	$1,140,449,000	1,020	Corporation	450	0000336369
9	New Jersey-American Water Company, INC.	USA	Camden	1 Water St	Camden	08102-1658	amwater.*****	1915	$1,104,293,000	595	Corporation	450	1011600
10	Orlando Utilities Commission (INC)	USA	Orlando	100 W Anderson St	Orange	32801-4408	ouc.*****	1923	$1,072,468,000	1,000	Corporation	7	N/A
11	Los Angeles Department Of Water And Power	USA	Los Angeles	111 N Hope St	Los Angeles	90012	ladwp.*****	1980	$1,061,007,360	9,500	Corporation	756	953124035
12	Washington Suburban Sanitary Commission (INC)	USA	Laurel	14501 Sweitzer Ln	Prince George'S	20707-5901	wsscfcu.*****	1918	$1,036,850,000	2,000	Corporation	17	526002653
13	District Of Columbia Water & Sewer Authority	USA	Washington	5000 Overlook Ave Sw	District of Columbia	20032-5212	dcwater.*****	2015	$1,004,284,000	1,100	Corporation	N/A	N/A
14	California Water Service Group	USA	San Jose	1720 N 1st St	Santa Clara	95112-4598	calwatergroup.*****	1926	$1,000,140,000	696	Corporation	52	3007654
15	Metropolitan Water Reclamation District Of Greater Chicago	USA	Chicago	100 E Erie St	Cook	60611-2871	mwrd.*****	1889	$945,487,000	2,259	Corporation	16	N/A
16	Aqua Pennsylvania, INC.	USA	Bryn Mawr	762 W Lancaster Ave	Montgomery	19010-3489	aquaamerica.*****	1905	$881,548,728	1,309	Corporation	450	N/A
17	Huntsville Utilities	USA	Huntsville	112 Spragins St Nw	Madison	35801-4902	hsvutil.*****	1940	$854,726,886	634	Corporation	N/A	N/A
18	Great Lakes Water Authority	USA	Detroit	735 Randolph St Ste 1900	Wayne	48226-2830	glwater.*****	2016	$835,531,085	8	Corporation	2	N/A
19	H2o America	USA	San Jose	110 W Taylor St	Santa Clara	95110-2131	h2o-america.*****	1866	$800,590,000	837	Corporation	32	5683119
20	East Bay Municipal Utility District, Water System	USA	Oakland	375 11th St	Alameda	94607-4246	ebmud.*****	1923	$762,998,000	1,511	Corporation	22	N/A
21	United Flow Technologies Holdco, LLC	USA	Irving	8000 Jetstar Dr Ste 150	Dallas	75063-2803	N/A	2021	$663,344,597	158	Corporation	49	6077052
22	American States Water Company	USA	San Dimas	630 E Foothill Blvd	Los Angeles	91773-1207	asusinc.*****	1929	$658,073,000	900	Corporation	51	2070444
23	San Jose Water Company	USA	San Jose	110 W Taylor St	Santa Clara	95110-2131	sjwater.*****	1985	$590,430,000	300	Corporation	32	0146844
24	Sw Merger Acquisition CORP.	USA	New York	245 Park Ave	New York	10167-0002	N/A	2010	$561,956,236	1,225	Corporation	45	4793909
25	The Metropolitan Water District Of Southern California	USA	Los Angeles	700 N Alameda St	Los Angeles	90012-3352	mwdh2o.*****	1928	$491,565,583	1,800	Corporation	27	N/A

Showing 25 of 20,936 companies

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Where in the USA?

Houston has the most water distribution companies in the USA (586), ahead of Austin (133), Denver (119), Phoenix (96) and Bakersfield (81). Together the five hold one in twenty-one of them.

Cities by number of firms

6,570 US cities have at least one water distribution firm; 351 have ten or more; 3,255 have exactly one. Click a city to set the lens.

By county 1,588 counties

County	Firms	%
Harris	692	3%
Los Angeles	340	2%
Jefferson	251	1%
Maricopa	228	1%
Orange	200	1.0%
Montgomery	200	1.0%
Arapahoe	197	0.9%
Franklin	181	0.9%
Washington	180	0.9%
Kern	157	0.8%

Show all 1,588

Largest water distribution firms in the USA

The biggest firms by staff and by revenue, the largest in Houston, the biggest newcomers of 2026 and the oldest firms. Click a name for the record.

Los Angeles Department of Water and Power is the largest water distribution firm in the USA by headcount. 608 firms employ 50 people or more; 247 employ 100 or more.

1Los Angeles9,500 staff
2Stoutsville5,007 staff
3Bryn Mawr3,303 staff
4Chicago2,259 staff
5Paramus2,000 staff
6Laurel2,000 staff
7Elmhurst1,742 staff
8San Antonio1,700 staff
9Oakland1,511 staff
10Las Vegas1,200 staff

By employee size · 20,865 firms with a known headcount

Employees	Firms	%
1-4	14,126	68%
5-9	3,871	19%
10-19	1,320	6%
20-49	940	5%
50-99	361	2%
100-199	159	0.8%
200-499	59	0.3%
500-999	21	0.1%
1,000+	8	<0.1%

68% have 1 to 4 people; 940 have 20 to 49; 608 have 50 or more.

By yearly revenue (USD)

Revenue	Firms	%
< $100K	3,309	18%
$100K-$500K	8,468	47%
$500K-$1M	2,234	12%
$1M-$5M	2,975	16%
$5M-$10M	446	2%
$10M-$50M	431	2%
$50M-$100M	95	0.5%
$100M-$500M	82	0.5%
$500M+	24	0.1%

47% between $100,000 and $500,000; 2,975 between $1M and $5M; 1,078 above $5M.

How many water distribution companies are there in the USA?

Water distribution companies and water distribution firms in the USA

20,889

21 October 2026

There are 20,889 water distribution companies and water distribution firms in the USA in our data (21 October 2026). That is one in every 3,058 US companies. About 3 new firms are entered in the register every week this year (135 so far in 2026).

Structure

Single-site firms: 17,435 83%
Head offices: 645
Branch offices: 2,809

Classification

Our platform filter is SIC 4941.

12,688 of the 20,889 are corporations and LLCs (61%); 689 are sole traders. They come from the state business registers and our US register data, through the Company Data API.

Water distribution firms in Houston

Houston has 586 water distribution companies and water distribution firms, <0.1% of all 881,247 Houston companies and 103% above the national share. Two in three Houston firms have fewer than five people; 6 have 50 or more. 3 new firms were entered in 2026, 162 date from before 1990.

Size

1-4 staff: 372 · 63%
5-9: 175 · 30%
10-19: 20 · 3%
20-49: 13 · 2%
50+: 6 · 1%

Legal form

Sole traders: 28 · 5%
Partnerships: 100 · 17%
Corporations and LLCs: 246 · 42%
Other or none: 212 · 36%

Of the US total: 2.8%
Of all Houston companies: <0.1%
Against the national share: 2.0×

New

Entered 2026 so far: 3
Entered 2025: 5
Of USA's 2026 entries: 2.2%

Old

Before 1990: 162 · 28%
1990 or later: 424 · 72%
Of USA's pre-1990 firms: 3.2%

Reachable

Email: 269 · 46%
Phone: 480 · 82%
Website: 381 · 65%

Revenue (USD)

Under $100K: 17 · 3%
$100K-$500K: 264 · 46%
$500K-$1M: 114 · 20%
$1M and more: 178 · 31%

Largest

13,200
2205
3200
4110
586

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Firm sizes in the USA

Of the 20,865 US water distribution firms with a known headcount, 14,126 (68%) have one to four people, 3,871 have five to nine, 2,260 have ten to 49 and 608 have 50 or more. Most firms turn over between $100,000 and $500,000 a year (8,468, 47%).

EU size bands · the grey line shows all US companies

Micro under 1017,997 86%
Small 10 to 492,260 11%
Medium 50 to 249579 3%
Large 250+29 0.1%

Grey line: the share among all US companies (96% have under ten staff).

1,078

firms turn over more than $5 million a year; 632 more than $10 million.

135

firms were entered in 2026.

The oldest firms in the USA

Our data holds 108 US water distribution firms from before 1900, 808 from before 1950 and 5,078 from before 1990.

1803
1. Morristown
1816
1. York
1818
1. Doylestown
1821
1. Fayetteville
1823
1. Columbia
1834
1. Pottsville

Older than you

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Move the slider to a year. Two live counts, scoped to this industry.

1990

5,078

US water distribution firms date from before 1990

108

were entered in 1990

Newcomers in the USA in 2026

135 water distribution firms were entered in the US register so far in 2026, about 3 a week, after 286 in 2025. The USA as a whole saw 2,970,531 new companies in 2026, so this industry takes <0.1% of the inflow.

3652022
3342023
3142024
2862025
1352026 so far

132 of this year's 135 are corporations and LLCs.

The biggest newcomers of 2026

The year is the register entry; an established firm that changes legal form appears as new.

1Dayton10 staff
2Englewood8 staff
3Leeds8 staff
4Loveland5 staff
5Fort Lauderdale2 staff

Sole traders or corporations: how they are organised

One in thirty US water distribution firms work as sole traders, against 5% of all US companies. Three in five are corporations and LLCs.

Sole traders6893%
Partnerships3322%
Corporations and LLCs12,68861%
No form on record or other7,18034%

Single-site: 83%
Head offices: 645
Branches: 2,809

All US companies: 5% sole traders, 1% partnerships, 68% corporations and LLCs.

How reachable are they?

Water distribution firms are easier to reach than the average US company: 72% list a phone number and 52% a website.

Email7,068 34%
Phone14,974 72%
Website10,951 52%

Grey line: all US companies (email 15%, phone 42%, website 24%).

The full list with these fields is in our US company database.

How they compare

Next to related industries

There are 8 souvenir stores for every water distribution firm in the USA.

Industry	Firms	Website	1-4 staff
Souvenir Stores	174,255	25%	94%
Sporting Goods Stores	151,190	35%	91%
Seed Producers and Wholesalers	30,692	48%	70%
Sports Equipment Wholesalers	24,783	35%	86%
Water Distribution Companies	20,889	52%	68%
Shopping Malls	4,166	78%	77%

Free sample: water distribution firms in North America

Frequently asked questions

How many water distribution companies are there in the USA?

There are 20,889 water distribution companies and water distribution firms in the USA in our data, counted on 21 October 2026. That is one in every 3,058 US companies.

Which is the largest water distribution firm in the USA?

Los Angeles Department of Water and Power in Los Angeles, with 9,500 staff. By revenue American Water Works Company in Camden leads with $5.1 billion a year.

Which US city has the most water distribution companies?

Houston, with 586, ahead of Austin (133), Denver (119), Phoenix (96) and Bakersfield (81).

How many water distribution firms are there in Houston?

586, which is <0.1% of all 881,247 Houston companies and 103% above the national share.

How big is a typical water distribution firm?

Small. 68% of the 20,865 firms with a known headcount have one to four people; 608 have 50 or more. Most turn over between $100,000 and $500,000 a year.

Are US water distribution companies sole traders or companies?

One in thirty (689) are sole traders, 2% are partnerships and 61% (12,688) are corporations and LLCs.

How many water distribution firms started in 2026?

135 were entered in the US register so far in 2026, after 286 in 2025. 132 of them are corporations and LLCs.

What is the oldest water distribution firm in the USA?

Morristown Street & Water in Morristown, 1803, followed by The York Water in York (1816) and Doylestown Township Municipal Authority in Doylestown (1818). 108 firms date from before 1900.

Which industry code covers water distribution companies?

Our platform filters them on SIC 4941 (water supply).

Can I download the full list?

Yes. All 20,889 firms with address, phone, email, legal form, employees, revenue and founding year, as Excel, CSV or through the API.

Discover more: related industries, by city

The lists closest to this one. Every industry and city in the USA is on the USA page.

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