ETC Marketing S-4 Registration of securities issued in business combination transactions

EXHIBIT 21.1

SUBSIDIARIES

1. La Grange Acquisition, L.P., a Texas limited partnership, which does business as Energy Transfer Company through the following subsidiaries in which it holds a direct or indirect interest:

• ET Company I, Ltd., a Texas limited partnership, holding a direct or indirect interest in the following:

• Texas Energy Transfer Company, Ltd., a Texas limited partnership

• Chalkley Transmission Company, Ltd., a Texas limited partnership

• Whiskey Bay Gathering Company, Ltd., a Texas limited partnership

• Whiskey Bay Gas Company, a Texas limited partnership

• Vantex Gas Pipeline Company, L.L.C., a Delaware limited liability company

• Vantex Energy Services, Ltd., a Texas limited partnership

• Ranger Pipeline, L.P., a Texas limited partnership, owning a partnership interest in the following:

• Mountain Creek Joint Venture, a Texas general partnership

• ETC Texas Pipeline, Ltd., a Texas limited partnership

• ETC Texas Processing, Ltd., a Texas limited partnership

• ETC Katy Pipeline, Ltd., a Texas limited partnership

• ETC Gas Company Ltd., a Texas limited partnership, owning a partnership interest in the following:

• South Texas Gas Gathering, a Texas general partnership, owning a partnership interest in the following:

• Dorado Joint Venture, a Texas general partnership

• ETC Marketing, Ltd., a Texas limited partnership

• Oasis Pipeline, L.P., a Texas limited partnership

• ETC Oasis, L.P., a Delaware limited partnership, owning a direct or indirect interest in the following:

• Oasis Pipe Line Company, a Delaware corporation

• Oasis Pipe Line Management Company, a Delaware corporation

• Oasis Pipe Line Finance Company, a Delaware corporation

• Oasis Partner Company, a Delaware corporation

• Oasis Pipe Line Company Texas, L.P., a Texas limited partnership

• Energy Transfer Fuel, LP, a Delaware limited partnership

• HP Houston Holdings, L.P., a Delaware limited partnership, owning a direct or indirect interest in the following:

• HPL Consolidation LP, a Delaware limited partnership, owning a direct or indirect interest in the following:

• HPL Asset Holdings LP, a Delaware limited partnership

• HPL Leaseco LP, a Delaware limited partnership

• HPL Resources Company LP, a Delaware limited partnership

• HPL Gas Marketing LP, a Delaware limited partnership

• Houston Pipe Line Company LP, a Delaware limited partnership, owning an interest in the following:

• HPL Houston Pipe Line Company, LLC, a Delaware limited liability company

• Mid-Texas Pipeline Company, a Texas general partnership

2. Heritage Operating L.P., a Delaware limited partnership, which does business under the following names:

• Archibald Propane

• Balgas

• Bi-State Propane

• Blue Flame Gas

• Blue Flame Gas of Charleston

• Blue Flame Gas of Mt. Pleasant

• Blue Flame Gas of Richmond

• Boland Energy

• C & D Propane

• Carolane Propane

• Clarendon Gas Co.

• Covington Propane

• Cumberland LP Gas

• Custer Gas Service

• E-Con Gas

• Eaves Propane & Oil

• Efird Gas Company

• Energy North Propane

• Fallsburg Gas Service

• Flamegas Company

• Foster’s Propane

• Foust Fuels

• Franconia Gas

• Gas Service Company

• Gibson Propane

• Green’s Fuel Gas Company

• Greer Gas, L.P.

• Guilford Gas

• Harris Propane

• Heritage Propane

• Holton’s L.P. Gas

• Horizon Gas

• Houston County Propane

• Hydratane of Athens

• Ikard & Newsom

• Ingas

• J & J Propane Gas

• John E. Foster & Son

• Johnson Gas

• Kingston Propane

• Kirby’s Propane Gas

• Lake County Gas

• Lewis Gas Co.

• Liberty Propane

• Lyons Gas

• Metro Lift Propane

• Modern Propane Gas

• Moore L.P. Gas

• Mt. Pleasant Propane

• Myers Propane Service

• New Mexico Propane

• Northern Energy

• Northwestern Propane

• Paradee Gas Company

• Pioneer Propane

• ProFlame

• Propane Gas Inc.

• Quality Gas

• Rural Gas and Appliance

• San Juan Propane

• Sawyer Gas

• ServiGas

• ServiGas/Ikard & Newsom

• Shaw L.P. Gas

• Southern Gas Company

• Thomas Gas Company

• Tri-Cities Gas Company

• Tri-Gas Propane Company

• Tri-Gas of Benzie

• Turner Propane

• V-1 Propane

• Wakulla L.P.G.

• Waynesville Gas Service

• Young’s Propane

3. Heritage Service Corp., a Delaware corporation, holding a direct or indirect interest in the following:

• Heritage Energy Resources, L.L.C., an Oklahoma limited liability company

• Energy Transfer Systems, L.L.C., a Delaware limited liability company

• M-P Oils Ltd., an Alberta, Canada corporation, holding a direct or indirect interest in the following:

• M-P Energy Partnership, an Alberta general partnership

• Independent Propane Services, Ltd., an Ontario corporation

• EarthAmerica, L.L.C., a Delaware limited liability company, holding a direct or indirect interest in the following:

• EarthAmerica of Texas, L.P., a Texas limited partnership

4. Heritage Holdings, Inc., a Delaware corporation