Macquarie Infrastructure Holdings, LLC (ticker: 0JXB.L), formerly Macquarie Infrastructure Corporation, owns and operates infrastructure-related businesses focused on energy distribution and storage; it previously encompassed the largest U.S. network of fixed-base aviation operations via Atlantic Aviation, the largest bulk liquid terminal operations through International-Matex Tank Terminals (IMTT) handling petroleum products, chemicals, vegetable oils, and renewable fuels with services including blending, heating, inventory management, and rail transfer across terminals in California, Illinois, Louisiana, New Jersey, Virginia, and Canada, as well as gas production and distribution via MIC Hawaii (formerly Hawaii Gas) providing synthetic natural gas, liquefied petroleum gas, liquefied natural gas, and renewable natural gas to industrial, commercial, residential, hospitality, military, public sector, and wholesale customers in Hawaii alongside controlling interests in solar facilities. Founded in 2004 and headquartered in New York City, the company targets corporations, government agencies, and individual customers primarily in the United States with historical operations managed by Macquarie Infrastructure Management (USA) Inc., an affiliate of Australia's Macquarie Group Limited. In recent major changes, it sold IMTT in 2020, divested Atlantic Aviation to KKR & Co. in 2021, and completed a merger with an Argo Infrastructure Partners affiliate including AMF Hawaii Holdings, LLC in July 2022 resulting in NYSE delisting of its units, after which its website announced shutdown by May 2025 and primary remaining operations center on Hawaii energy services.