Spire is the holding company for Spire Missouri Inc. (Spire Missouri), Spire Alabama Inc. (Spire Alabama), other gas utilities, and gas-related businesses. Co. has two primary business segments: Gas Utility and Gas Marketing. The Gas Utility segment includes: Spire Missouri, which is a public utility engaged in the purchase, retail distribution and sale of natural gas, with offices located in Missouri; and Spire Alabama, which is a public utility engaged in the purchase, retail distribution and sale of natural gas principally in central and northern Alabama. The Gas Marketing segment includes Co.'s wholly owned subsidiary, Spire Marketing Inc., which provides natural gas marketing services.