WGL Holdings, Inc. (WGL Holdings) is a holding company, through its subsidiaries, sells and delivers natural gas and provides a range of energy-related products and services to customers in the District of Columbia and the surrounding metropolitan areas in Maryland and Virginia. The Company operates in three segments: regulated utility segment, retail energy-marketing segment and design-build energy systems segment. The Company’s subsidiaries include Washington Gas Light Company (Washington Gas), Washington Gas Resources Corporation (Washington Gas Resources), Hampshire Gas Company (Hampshire) and Crab Run Gas Company (Crab Run). Washington Gas Resources owns four subsidiaries include Washington Gas Energy Services, Inc. (WGEServices), Washington Gas Energy Systems, Inc. (WGESystems), Capitol Energy Ventures Corp. (CEV) and WGSW, Inc.
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