Spire Inc., through its subsidiaries, engages in the purchase, retail distribution, and sale of natural gas to residential, commercial, industrial, and other end-users of natural gas in the United States. The company operates in two segments, Gas Utility and Gas Marketing. It is also involved in the marketing of natural gas; and provision of energy services on non-regulated basis to on-system utility transportation customers, as well as to retail and wholesale customers. In addition, the company engages in the transportation of propane through its propane pipeline; compression of natural gas; risk management; and other activities. Further, it provides physical natural gas storage services. The company was formerly known as The Laclede Group, Inc. and changed its name to Spire Inc. in April 2016. Spire Inc. was founded in 1857 and is based in St. Louis, Missouri.