Washington Gas is a natural gas utility company that provides service to residential, commercial, and industrial customers in the District of Columbia and parts of Maryland and Virginia. Founded in 1848, it is one of the oldest gas companies in the United States, delivering safe and reliable natural gas for heating, cooking, and other energy needs. The company is a subsidiary of WGL Holdings, Inc. and operates a vast network of pipelines and facilities to ensure efficient gas distribution. Washington Gas is committed to sustainability and offers various programs to promote energy efficiency and reduce environmental impact for its customers.