Spire Inc., through its subsidiaries, engages in the purchase, retail distribution, sale, and marketing of natural gas. It operates through two segments, Gas Utility and Gas Marketing. The company is also involved in marketing natural gas and related activities on non-regulated basis to on-system utility transportation customers, as well as to retail and wholesale customers. In addition, it engages in the transportation of liquid propane through its propane pipeline; compression of natural gas; oil production; real estate development; risk management; and financial investments in other enterprises, as well as provides propane storage, transmission, and related services to third parties. The company provides natural gas services to approximately 1.5 million residential, commercial, and industrial customers across Missouri and Alabama. 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 headquartered in St. Louis, Missouri.