Business Services
We are in the business of gathering, transporting, marketing and storing natural gas and transporting and storing natural gas liquids
("NGLs") and petrochemicals. Prior to completion of our initial public offering on February 5, 2007, our subsidiaries were wholly owned
by Enterprise Products Partners. Our subsidiaries will continue to be a part of Enterprise Products Partners' integrated network of
midstream energy assets, or value chain, that includes natural gas gathering, processing, transportation and storage; NGL
fractionation (or separation), transportation, storage and import and export terminalling; crude oil transportation; and offshore
production platform services.
The principal business entities included in the historical combined financial statements of Duncan Energy Partners Predecessor are
(on a 100% basis): (i) Mont Belvieu Caverns, LLC ("Mont Belvieu Caverns"), a Delaware limited liability company;
(ii) Acadian Gas, LLC ("Acadian Gas"), a Delaware limited liability company; (iii) Enterprise Lou-Tex Propylene Pipeline L.P. ("Lou-Tex Propylene"),
a Delaware limited partnership, including its general partner; (iv) Sabine Propylene Pipeline L.P. ("Sabine Propylene"), a Delaware limited
partnership, including its general partner; and (v) South Texas NGL Pipelines, LLC ("South Texas NGL"), a Delaware limited liability company. EPOLP contributed a 66% equity interest in each of these five entities to us on February 5, 2007. EPOLP retained the remaining equity interests.