Enterprise Products Partners is a provider of midstream energy services to producers and consumers of natural gas, natural gas liquids (NGLs), crude oil, petrochemicals and refined products. Co.'s midstream energy operations include: natural gas gathering, treating, processing, transportation and storage; NGL transportation, fractionation, storage, and marine terminals; crude oil gathering, transportation, storage, and marine terminals; petrochemical and refined products transportation, storage, and marine terminals ; and a marine transportation business that operates on the United States inland and Intracoastal Waterway systems.