Spire‘s five natural gas utilities — Alagasco, Laclede Gas, Missouri Gas Energy, Mobile Gas and Willmut Gas — have all begun operating under the St. Louis-based parent company’s name. Included in the launch of the united utility, Spire announced a new mobile-friendly website for customers. Spire serves 1.7 million natural gas customers in Alabama, Mississippi and Missouri. Non-utility operations include Spire Marketing, which provides natural gas marketing and related services.