Inergy is a publicly traded energy company that specializes in the storage, transportation, and distribution of propane and natural gas. The company was founded in 1996 and is headquartered in Houston, Texas. Inergy operates a network of pipelines, storage facilities, and distribution centers throughout the United States. The company's customers include residential, commercial, and industrial users of propane and natural gas. In 2012, Inergy merged with Crestwood Midstream Partners to form Crestwood Equity Partners, a publicly traded master limited partnership that operates in the midstream energy sector.