Macquarie Infrastructure Holdings, LLC, together with its subsidiaries, operates as an energy company that processes and distributes gas, and provides related services to corporations, government agencies, and individual customers. The company distributes and sells synthetic natural gas, liquefied petroleum gas, liquefied natural gas, and renewable natural gas to industrial, commercial, residential, hospitality, military, public sector, and wholesale users. Macquarie Infrastructure Holdings, LLC was founded in 2004 and is based in New York, New York.