On the Record · American Water Works
American Water Works subsidiaries, as it lists them
The subsidiaries American Water Works lists in its latest annual report, with the jurisdiction of each, linked to the filing.
Subsidiaries it lists
| Subsidiary | Jurisdiction |
|---|---|
| Alpha Merger Sub, Inc. | Pennsylvania |
| American Lake Water Company | Illinois |
| American Water (USA), LLC | Delaware |
| American Water Canada Corp. | Ontario |
| American Water Capital Corp. | Delaware |
| American Water Enterprises Holding, LLC | Delaware |
| American Water Enterprises, LLC | Delaware |
| American Water Defense Services, LLC | Delaware |
| American Water Federal Services, LLC | Delaware |
| American Water Military Services, LLC | Delaware |
| American Water Operations and Maintenance, LLC | Texas |
| American Water Real Property Holdings LLC | Delaware |
| American Water Services CDM, Inc. | Washington |
| American Water Works Service Company, Inc. | Delaware |
| AW Insurance LLC | Delaware |
| AWIP Holdings LLC | Delaware |
| AW Technologies, LLC | Delaware |
| Bluefield Valley Water Works Company | Virginia |
| California-American Water Company | California |
| Edison Water Company | New Jersey |
| Environmental Management, LLC | Missouri |
| E’town Services L.L.C. | New Jersey |
| GCW Acquisition Company LLC | New Jersey |
| Hawaii-American Water Company | Nevada |
| Illinois-American Water Company | Illinois |
| Indiana-American Water Company, Inc. | Indiana |
| Iowa-American Water Company | Delaware |
| Kentucky-American Water Company | Kentucky |
| Laurel Oak Properties Corporation | Delaware |
| Liberty Water Company | New Jersey |
| Maryland-American Water Company | Maryland |
| Missouri-American Water Company | Missouri |
| New Jersey-American Water Company, Inc. | New Jersey |
| One Water Street LLC | New Jersey |
| Pennsylvania-American Water Company | Pennsylvania |
| Tennessee-American Water Company | Tennessee |
| TWH LLC | Delaware |
| Virginia-American Water Company | Virginia |
| West Virginia-American Water Company | West Virginia |
From Exhibit 21 of the 10-K for 2025. Companies must list their significant subsidiaries there and may leave out smaller ones, so this is the company’s own list, not every entity it owns.
Read from American Water Works’s annual reports (10-K for 2025, 10-K for 2024, 10-K for 2023) and the financial data it files with the SEC, as of 2026-02-18. Every quotation is word for word from the filing linked beside it; how these pages are built and checked. The full record is in its company data sheet.