• Ameren Missouri
• The Empire District Gas Company (d/b/a Liberty) 
• Spire Missouri, Inc. (formerly Laclede Gas / Missouri Gas Energy)
• Liberty Utilities (Midstates Natural Gas Corp. d/b/a Liberty Utilities) 
• Summit Natural Gas

Map of Natural Gas Pipelines in Missouri
Note: This map is provided by the Missouri Public Service Commission for informational purposes only, and is not to be relied on for actual locations.

• Natural Gas Report

• Application for Certification as a Seller of Energy Services