Third Coast Midstream
Third Coast Midstream LLC operates gathering pipelines, processing plants, transfer pipelines, and storage terminals with assets in Texas, Louisiana, Mississippi, and Alabama. Subsidiaries include Destin Pipeline. Subsidiaries include Lighthouse Super Holdings. Operations are organized into five business units: Gas Gathering & Processing Services, Liquid Pipelines & Services, Natural Gas Transportation Services, Offshore Pipelines & Services, and Terminalling Services.
American Midstream was founded in 2009, and Third Coast was created in 2016. ArcLight Energy Partners Fund V acquired American Midstream in 2019 which was merged with Third Coast. The company sold a 50% interest in its offshore assets to an undisclosed infrastructure fund in June 2021.