Subsidiary Relationship Denoted by Indentation | Percent of Voting Securities Owned | State of Incorporation | ||
WGL Holdings, Inc. (Parent) | Virginia | |||
Washington Gas Light Company | 99.4% | Virginia and the District of Columbia | ||
Hampshire Gas Company | 100% | West Virginia | ||
Washington Gas Resources Corp. | 100% | Delaware | ||
WGL Midstream, Inc. | 100% | Delaware | ||
WGL Energy Services, Inc. | 100% | Delaware | ||
WGL Energy Systems, Inc. | 100% | Delaware | ||
WGSW, Inc. | 100% | Delaware | ||