Boardwalk Pipeline Partners LP

Boardwalk Pipeline Partners, LP is a master limited partnership engaged through its subsidiaries in the interstate transportation and storage of natural gas. The company owns and operates approximately 14,200 miles of interconnected pipeline and underground storage fields with aggregate working gas capacity of approximately 163 Bcf. It serves customers directly in twelve states and indirectly throughout the northeastern and southeastern United States through numerous interconnections with unaffiliated pipelines. Boardwalk Pipeline Partners, LP serves a broad mix of customers, including marketers, local distribution companies (LDCs), producers, electric power generators, interstate and intrastate pipelines and direct industrial users. Its subsidiaries include Gulf Crossing Pipeline Company, LLC, Gulf South Pipeline Company, LP and Texas Gas Transmission, LLC.

U.S. Pipeline is a full-service pipeline construction and engineering firm that serves clients throughout the United States. The company offers installation services for compressors and metering stations. It also provides shop fabrication and marine construction services. The company undertakes a range of domestic and international projects. U.S. Pipeline offers engineering and design services. It provides a variety of procurement and consulting services. The company specializes in installing pipelines through shallow bay waters and navigable channels. It offers support services for off-shore directional drilling operations. In addition, U.S. Pipeline s clients include TransCanada, Bayou Coatings, El Paso, Enbridge, Millennium and Bayou Company.

Enterprise Products Operating is a division of Enterprise Products Partners. The company supplies natural gas liquids. It conducts various activities, including the import, storage, sale and export of natural gas liquids. It operates import and export terminals in Houston. Enterprise Products Partners also offers midstream energy services. It owns and operates crude oil, natural gas and petrochemical pipelines; storage facilities; natural gas processing and fractionation plants; and drilling platforms. It also jointly owns and operates facilities with various companies, such as ConocoPhillips, ChevronTexaco, Dow Chemical, Duke Energy Field Services, El Paso Corporation and ExxonMobil. Enterprise Products Operating maintains a location in Houston.