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15 public companies · 15 exchange-listed
15
Total Companies
15
Exchange Listed
13
Filed 10-K
9
States Represented
Total Sector Revenue
$10.10B
Aggregate of 12 companies with XBRL data
Avg Net Margin
-1.5%
Intensely competitive· Based on 12 filings
Sector Analysis · Sprytne.com
As of April 2026, the Water Supply sector (SIC 4941) reports a combined revenue of $10.10B across 12 SEC-tracked entities. With an average net margin of -1.5%, this industry is classified as loss-making on average. American Water Works Company, Inc. leads the sector with $5.12B in reported revenue. The data is derived exclusively from official SEC EDGAR XBRL submissions and reflects the most recently filed 10-K annual reports.
Data aggregated from SEC EDGAR XBRL submissions · Updated March 2026
| Rank | Company | Revenue | Net Income | Net Margin | vs Industry Avg |
|---|---|---|---|---|---|
| #1 | American Water Works Company, Inc.AWK | $5.12B | $1.11B | 21.7% | +23.2pp |
| #2 | Essential Utilities, Inc.WTRG | $2.47B | $616.4M | 24.9% | +26.4pp |
| #3 | CALIFORNIA WATER SERVICE GROUPCWT | $963.7M | $128.2M | 13.3% | +14.8pp |
| #4 | H2O AMERICAHTO | $805.6M | $102.6M | 12.7% | +14.2pp |
| #5 | MIDDLESEX WATER COMSEX | $191.8M | $42.8M | 22.3% | +23.8pp |
| Industry Average | $841.8M | $181.5M | -1.5% | baseline | |
AMERICAN STATES WATER CO
CIK: 0001056903 · CA · 10-K: 2026-02-18
American Water Works Company, Inc.
CIK: 0001410636 · DE · 10-K: 2026-02-18
ARTESIAN RESOURCES CORP
CIK: 0000863110 · DE · 10-K: 2026-03-16
CABO VERDE CAPITAL INC.
CIK: 0001127007 · NV · 10-K: 2024-01-29
CADIZ INC
CIK: 0000727273 · DE · 10-K: 2025-03-28
CALIFORNIA WATER SERVICE GROUP
CIK: 0001035201 · DE · 10-K: 2026-02-27
COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP
CIK: 0001170858 · D5
Consolidated Water Co. Ltd.
CIK: 0000928340 · E9 · 10-K: 2026-03-16
EESTech, Inc.
CIK: 0001138867 ·
Essential Utilities, Inc.
CIK: 0000078128 · PA · 10-K: 2026-02-26
Global Water Resources, Inc.
CIK: 0001434728 · DE · 10-K: 2026-03-04
H2O AMERICA
CIK: 0000766829 · DE · 10-K: 2026-02-26
MIDDLESEX WATER CO
CIK: 0000066004 · NJ · 10-K: 2026-02-19
PURE CYCLE CORP
CIK: 0000276720 · CO · 10-K: 2025-11-12
YORK WATER CO
CIK: 0000108985 · PA · 10-K: 2026-03-03