American Midstream Partners, LP owns, operates, develops and acquires a portfolio of midstream energy assets. The Company is engaged in the business of gathering, treating, processing and transporting natural gas; gathering, transporting, storing, treating and fractionating natural gas liquids (NGLs); gathering, storing and transporting crude oil and condensates, and storing specialty chemical products. It operates through three segments: Gathering and Processing, Transmission and Terminals. The Gathering and Processing Segment consists of midstream natural gas systems that provide services, such as gathering, compression, treating, processing, fractionating, transportation, and sale of natural gas, NGLs and condensate. Its Transmission Segment consists of interstate and intrastate pipelines that transport natural gas from interconnection points on other pipelines or production points to customers. Its Terminals segment provides above-ground storage services at its marine terminals.