The Laclede Group, Inc. operates as a public utility holding company. The companys principal subsidiary, Laclede Gas Company, provides natural gas service to approximately 630,000 residential, commercial, and industrial customers in metropolitan St. Louis and surrounding counties in eastern Missouri. Its primary non-regulated subsidiary, Laclede Energy Resources, Inc., markets natural gas and related services to on-system utility transportation customers and customers outside of its utilitys traditional service area. The Laclede Group company was founded in 1857 and is based in St. Louis, Missouri.