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Water Supply stocks

The 14 US-listed companies classified as water supply (SIC group 494), largest first.

Prices as of Oct 30, 2026
Market value
$56.37B
14 companies
Year to date
+10.3%
On the day +1.33%
Over 52 weeks
+11.4%
Weighted by market value
P/E
24.5×
Net margin 19.6%

Water Supply companies

Ranked by market cap at the latest close. Revenue, margin and P/E use the last twelve months.

#CompanyMarket capPrice1DYTD1YRevenueNet marginP/E
1awkAmerican Water Works$28.69B$144.37+1.52%+10.63%+13.95%$5.27B21.4%25.4×
2wtrgEssential Utilities$12.35B$43.52+1.73%+13.45%+12.19%$2.57B21.6%22.3×
3awrAmerican States Water$3.42B$86.32+1.14%+19.09%+20.59%$697.48M20.5%23.9×
4sbsCompanhia de Saneamento Basico do Estado de Sao Paulo-SABESP$3.18B$4.54−2.16%−4.67%−7.12%–––
5cwtCalifornia Water Service$3.00B$48.50+1.85%+11.93%+7.32%$1.02B13.5%21.8×
6htoH2O America$2.50B$59.74+2.00%+21.94%+29.48%$828.50M12.9%23.4×
7msexMiddlesex Water$1.07B$56.79+2.60%+12.63%−0.23%$212.26M24.5%20.6×
8yorwYork Water$512.66M$31.59+1.67%−0.79%+2.33%$83.42M28.5%21.5×
9cwcoConsolidated Water$431.71M$26.96+0.75%−23.60%−20.40%$127.61M12.7%26.7×
10cdziCadiz$385.28M$4.55−3.40%−18.89%−13.83%$11.84M-311.0%–
11artnaArtesian Resources$346.58M$33.56+0.18%+6.17%+3.87%$116.94M20.2%14.7×
12pcyoPure Cycle$257.84M$10.70+1.04%−2.64%−2.82%$33.73M43.7%17.5×
13gwrsGlobal Water Resources$222.88M$7.74−0.90%−8.40%−21.10%$60.11M5.2%71.1×
14eeshEESTech–$0.02950.00%+656.4%+47.50%–––

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