Water Supply
SIC 4941 · 15 companies
This page lists all SEC-registered public companies classified under SIC code 4941 (Water Supply). SIC — Standard Industrial Classification — is a four-digit code system used by the SEC to group companies by their primary line of business. You can also view financial rankings for this industry.
The Water Supply industry includes 15 SEC-registered public companies.
The largest by revenue is American Water Works Company, Inc.,
which reported $5.1B in FY2025.
Companies in this industry with available XBRL data collectively reported $10.1B in revenue across their most recent fiscal years.
| Company | Ticker | Exchange | State | Filings |
|---|---|---|---|---|
| AMERICAN STATES WATER CO | AWR | NYSE | CA | 1,002 |
| ARTESIAN RESOURCES CORP | ARTNB | OTC | DE | 1,003 |
| American Water Works Company, Inc. | AWK | NYSE | DE | 1,003 |
| CABO VERDE CAPITAL INC. | VYRE | OTC | NV | 187 |
| CADIZ INC | CDZIP | NASDAQ | DE | 1,000 |
| CALIFORNIA WATER SERVICE GROUP | CWT | NYSE | DE | 1,008 |
| COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP | SBS | NYSE | D5 | 1,000 |
| Consolidated Water Co. Ltd. | CWCO | NASDAQ | E9 | 850 |
| EESTech, Inc. | EESH | OTC | — | 210 |
| Essential Utilities, Inc. | WTRG | NYSE | PA | 1,000 |
| Global Water Resources, Inc. | GWRS | NASDAQ | DE | 1,011 |
| H2O AMERICA | HTO | NASDAQ | DE | 1,000 |
| MIDDLESEX WATER CO | MSEXP | OTC | NJ | 1,000 |
| PURE CYCLE CORP | PCYO | NASDAQ | CO | 722 |
| YORK WATER CO | YORW | NASDAQ | PA | 1,001 |