Exhibit 21.1
American Water Works Company, Inc.’s Subsidiaries
As of February 20, 2015
Entity Name |
| Entity Type |
| Domestic Jurisdiction |
AAET, INC. |
| Corporation |
| Delaware |
American Industrial Water LLC |
| Limited Liability Company |
| Ohio |
American Lake Water Company |
| Corporation |
| Illinois |
American Water – Acciona Agua LLC |
| Limited Liability Company |
| Delaware |
American Water (USA), Inc. |
| Corporation |
| Delaware |
American Water Canada Corp. |
| Corporation |
| Ontario |
American Water Capital Corp. |
| Corporation |
| Delaware |
American Water Carbon Services Corp. |
| Corporation |
| Ontario |
American Water Engineering, Inc. |
| Corporation |
| New Jersey |
American Water Enterprises Holding, Inc. |
| Corporation |
| Delaware |
American Water Enterprises, Inc. |
| Corporation |
| Delaware |
American Water Operations and Maintenance, Inc. |
| Corporation |
| Texas |
American Water Resources Holdings, Inc. |
| Corporation |
| Delaware |
American Water Resources of Florida, Inc. |
| Corporation |
| Delaware |
American Water Resources of Texas, Inc. |
| Corporation |
| Delaware |
American Water Resources, LLC |
| Limited Liability Company |
| Virginia |
American Water Services CDM, Inc. |
| Corporation |
| Washington |
American Water Services Underground Infrastructure Corp. |
| Corporation |
| Ontario |
American Water Services, LLC |
| Limited Liability Company |
| Delaware |
American Water Works Company, Inc. |
| Corporation |
| Delaware |
American Water Works Service Company, Inc. |
| Corporation |
| Delaware |
AW Contract Services (Canada), Inc. |
| Corporation |
| Federally Chartered |
AW Technologies Incorporated |
| Corporation |
| Delaware |
Bluefield Valley Water Works Company |
| Corporation |
| Virginia |
Braemar Acres Limited |
| Corporation |
| Ontario |
California-American Water Company |
| Corporation |
| California |
Dale Service Corporation |
| Corporation |
| Virginia |
Edison Water Company |
| Corporation |
| New Jersey |
EMC American Water Canada, Inc. |
| Corporation |
| Federally Chartered |
EMC of St. Charles County, LLC |
| Limited Liability Company |
| Missouri |
Environmental Management Corporation |
| Corporation |
| Missouri |
E’Town Properties, Inc. |
| Corporation |
| Delaware |
E’Town Services, LLC |
| Limited Liability Company |
| New Jersey |
Hawaii-American Water Company |
| Corporation |
| Nevada |
Illinois-American Water Company |
| Corporation |
| Illinois |
Indiana-American Water Company, Inc. |
| Corporation |
| Indiana |
Iowa-American Water Company |
| Corporation |
| Delaware |
Kentucky-American Water Company |
| Corporation |
| Kentucky |
Laurel Oak Properties Corporation |
| Corporation |
| Delaware |
Liberty Water Company |
| Corporation |
| New Jersey |
Long Island Water Corporation |
| Corporation |
| New York |
Maryland-American Water Company |
| Corporation |
| Maryland |
Michigan-American Water Company |
| Corporation |
| Michigan |
Missouri-American Water Company |
| Corporation |
| Missouri |
Mt. Ebo Sewage Works, Inc. |
| Corporation |
| New York |
New Jersey-American Water Company, Inc. |
| Corporation |
| New Jersey |
New York American Water Company, Inc. |
| Corporation |
| New York |
OMI/Thames Water Stockton, Inc. |
| Corporation |
| Delaware |
Pennsylvania-American Water Company |
| Corporation |
| Pennsylvania |
Prism-Berlie (Windsor) Limited |
| Corporation |
| Ontario |
Tennessee-American Water Company |
| Corporation |
| Tennessee |
TWH LLC |
| Limited Liability Company |
| Delaware |
TWNA, Inc. |
| Corporation |
| Delaware |
Virginia-American Water Company |
| Corporation |
| Virginia |
West Virginia-American Water Company |
| Corporation |
| West Virginia |