Exhibit 21.1

LIST OF SUBSIDIARIES

SUBSIDIARIES OF ENERGY TRANSFER EQUITY, L.P., a Delaware limited partnership:

Energy Transfer Partners GP, L.P., a Delaware limited partnership

Energy Transfer Partners, L.L.C., a Delaware limited liability company

Energy Transfer Partners, L.P., a Delaware limited partnership (1.16% GP interest and ~24% LP interest)

Energy Transfer Crude Oil Company, LLC (60% interest)

Energy Transfer LNG Export, LLC (60% interest)

ETE GP Acquirer LLC, a Delaware limited liability company

ETE Holdco Corporation, Delaware corporation (60% interest)

ETE Services Company, LLC, a Delaware limited liability company

ETE Sigma Holdco, LLC, a Delaware limited liability company

ETP Holdco Corporation, a Delaware corporation (60% interest)

Heritage Holdings, Inc. (60% interest)

Regency GP LP, a Delaware limited partnership

Regency GP LLC, a Delaware limited liability company

Regency Employees Management Holdings LLC, a Delaware limited liability company

Regency Employees Management LLC, a Delaware limited liability company

Regency Energy Partners LP, a Delaware limited partnership (2% GP interest and ~19% LP interest)

Southern Union Company, a Delaware corporation (60% interest)

Sunoco, Inc., a Pennsylvania corporation (60% interest)

Trunkline Crude Oil Pipeline, LLC (60% interest)

Trunkline LNG Export, LLC (60% interest)

SUBSIDIARIES OF ENERGY TRANSFER PARTNERS, L.P., a Delaware limited partnership:

Citrus ETP Finance LLC, a Delaware limited liability company

Chalkley Gathering Company, LLC, a Texas limited liability company

CrossCountry Energy, LLC, a Delaware limited liability company

CrossCountry Alaska, LLC, a Delaware limited liability company

CrossCountry Citrus, LLC, a Delaware limited liability company

Citrus Corp., a Delaware corporation (50% Interest)

Citrus Energy Services, Inc., a Delaware corporation (50% Interest)

Energy Transfer Crude Oil Company, LLC, a Delaware limited liability company (40% interest)

Energy Transfer Dutch Holdings, LLC, a Delaware limited liability company

Energy Transfer Employee Management Company, a Delaware corporation

Energy Transfer Fuel GP, LLC, a Delaware limited liability company

Energy Transfer Fuel, LP, a Delaware limited partnership

Energy Transfer Group, LLC, a Texas limited liability company

Energy Transfer Interstate Holdings, LLC, a Delaware limited liability company

Energy Transfer International Holdings LLC, a Delaware limited liability company

Energy Transfer LNG Export, LLC, a Delaware limited liability company (40% Interest)

Energy Transfer Mexicana, LLC, a Delaware limited liability company

Energy Transfer Peru LLC, a Delaware limited liability company

Energy Transfer Retail Power, LLC, a Delaware limited liability company

Energy Transfer Technologies, Ltd., a Texas limited partnership

ET Company I, Ltd., a Texas limited partnership

ET Fuel Pipeline, L.P., a Delaware limited partnership

ETC Compression, LLC, a Delaware limited liability company

ETC Endure Energy L.L.C., a Delaware limited liability company

ETC Energy Transfer, LLC, a Delaware limited liability company

ETC Fayetteville Express Pipeline, LLC, a Delaware limited liability company

ETC Fayetteville Operating Company, LLC, a Delaware limited liability company

ETC Gas Company, Ltd., a Texas limited partnership

ETC Gathering, LLC, a Texas limited liability company

ETC Hydrocarbons, LLC, a Texas limited liability company

ETC Interstate Procurement Company, LLC, a Delaware limited liability company

ETC Intrastate Procurement Company, LLC, a Delaware limited liability company

ETC Katy Pipeline, Ltd., a Texas limited partnership

ETC Lion Pipeline, LLC, a Delaware limited liability company

ETC Marketing, Ltd., a Texas limited partnership

ETC Midcontinent Express Pipeline, L.L.C., a Delaware limited liability company

ETC New Mexico Pipeline, L.P., a New Mexico limited partnership

ETC NGL Marketing, LLC, a Texas limited liability company

ETC NGL Transport, LLC, a Texas limited liability company

ETC Northeast Pipeline, LLC, a Delaware limited liability company

ETC Oasis GP, LLC a Texas limited liability company

ETC Oasis, L.P., a Delaware limited partnership

ETC Texas Pipeline, Ltd., a Texas limited partnership

ETC Tiger Pipeline, LLC, a Delaware limited liability company

ETC Water Solutions, LLC, a Delaware limited liability company

ETE Holdco Corporation, a Delaware corporation (40% common interest)

ETP Holdco Corporation, a Delaware corporation (40% common interest - controlling)

ETP Newco 1 LLC, a Delaware limited liability company

ETP Newco 2 LLC, a Delaware limited liability company

ETP Newco 3 LLC, a Delaware limited liability company

ETP Newco 4 LLC, a Delaware limited liability company

ETP Newco 5 LLC, a Delaware limited liability company

Fayetteville Express Pipeline, LLC, a Delaware limited liability company (50% interest)

FEP Arkansas Pipeline, LLC, an Arkansas limited liability company (50 % interest)

Five Dawaco, LLC, a Texas limited liability company

Florida Gas Transmission Company, LLC, a Delaware limited liability company (50% Interest)

Heritage ETC GP, L.L.C., a Delaware limited liability company

Heritage ETC, L.P., a Delaware limited partnership

Heritage Holdings, Inc., a Delaware corporation (40% Interest)

Houston Pipe Line Company LP, a Delaware limited partnership

HP Houston Holdings, L.P., a Delaware limited partnership

HPL Asset Holdings LP, a Delaware limited partnership

HPL Consolidation LP, a Delaware limited partnership

HPL GP, LLC, a Delaware limited liability company

HPL Holdings GP, L.L.C., a Delaware limited liability company

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

HPL Leaseco LP, a Delaware limited partnership

HPL Resources Company LP, a Delaware limited partnership

HPL Storage GP LLC, a Delaware limited liability company

LA GP, LLC, a Texas limited liability company

La Grange Acquisition, L.P., a Texas limited partnership

LG PL, LLC, a Texas limited liability company

LGM, LLC, a Texas limited liability company

Liberty Pipeline Group, LLC, a Delaware limited liability company (50% interest)

Lone Star NGL LLC, a Delaware limited liability company (70% interest)

Lone Star NGL LLC subsidiaries:

• Lone Star NGL Asset Holdings LLC, a Delaware limited liability company

• Lone Star NGL Asset Holdings II LLC, a Delaware limited liability company

• Lone Star NGL Asset GP LLC, a Delaware limited liability company

• Lone Star NGL Development LP, a Delaware limited partnership

• Lone Star NGL Pipeline LP, a Delaware limited partnership

• Lone Star NGL Product Services LLC, a Delaware limited liability company

• Lone Star NGL Hattiesburg LLC, a Delaware limited liability company

• Lone Star NGL Mont Belvieu GP LLC, a Delaware limited liability company

• Lone Star NGL Mont Belvieu LP, a Delaware limited partnership

• Lone Star NGL Hastings LLC, a Delaware limited liability company

• Lone Star NGL Refinery Services LLC, a Delaware limited liability company

• Lone Star NGL Sea Robin LLC, a Delaware limited liability company

• Lone Star NGL Fractionators LLC, a Delaware limited liability company

• Lone Star NGL Marketing LLC, a Delaware limited liability company

Oasis Partner Company, a Delaware corporation

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

Oasis Pipe Line Company, a Delaware corporation

Oasis Pipe Line Finance Company, a Delaware corporation

Oasis Pipe Line Management Company, a Delaware corporation

Oasis Pipeline, LP, a Texas limited partnership

Rich Eagleford Mainline, LLC

SEC Energy Products & Services, L.P., a Texas limited partnership

SEC Energy Realty GP, LLC, a Texas limited liability company

SEC-EP Realty Ltd., a Texas limited partnership

SEC General Holdings, LLC, a Texas limited liability company

Southern Union Company, a Delaware limited liability company (40% interest)

Sunoco Inc., a Pennsylvania corporation (40% Interest)

Sunoco Partners LLC, a Pennsylvania limited liability company

TETC, LLC, a Texas limited liability company

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

Texas Energy Transfer Power, LLC, a Texas limited liability company

Transwestern Pipeline Company, LLC, a Delaware limited liability company

Trunkline Crude Oil Pipeline, LLC, a Delaware limited liability company (40% interest)

Trunkline LNG Export, LLC, a Delaware limited liability company (40% interest)

Whiskey Bay Gathering Company, LLC, a Delaware limited liability company

Whiskey Bay Gas Company, Ltd., a Texas limited partnership

SUBSIDIARIES OF REGENCY ENERGY PARTNERS LP, a Delaware limited partnership:

Regency OLP GP LLC, a Delaware limited liability company

Regency Energy Finance Corp., a Delaware corporation

Regency Gas Services LP, a Delaware limited partnership

Regency Field Services LLC, a Delaware limited liability company

Edwards Lime Gathering, LLC, a Delaware limited liability company (60% interest)

Regency Liquids Pipeline LLC, a Delaware limited liability company

Gulf States Transmission LLC, a Louisiana limited liability company

Regency Gas Utility LLC, a Delaware limited liability company

Pueblo Holdings, Inc., a Delaware corporation

Pueblo Midstream Gas Corporation, a Texas corporation

CDM Resource Management LLC, a Delaware limited liability company

CDM Resource Management I LLC, a Delaware limited liability company

FrontStreet Hugoton LLC, a Delaware limited liability company

WGP-KHC, LLC, a Delaware limited liability company

Regency Haynesville Intrastate Gas LLC, a Delaware limited liability company

RIGS Haynesville Partnership Co., a Delaware partnership (49.9% interest)

RIGS GP LLC, a Delaware limited liability company (49.9% interest)

Regency Intrastate Gas LP, a Delaware limited partnership (49.9% interest)

Regency Ranch JV LLC, a Delaware limited liability company

Regency Midcontinent Express LLC, a Delaware limited liability company

Midcontinent Express Pipeline LLC, a Delaware limited liability company (50% interest)

Zephyr Gas Services LLC, a Delaware limited liability company

Zephyr Gas Services I LLC, a Delaware limited liability company

Regency Texas Pipeline LLC, a Delaware limited liability company

Regency Midstream LLC, a Delaware limited liability company

Lone Star NGL LLC, a Delaware limited liability company (30% interest)

Ranch Westex JV LLC, a Delaware limited liability company (33⅓% interest)

ELG Oil LLC, a Delaware limited liability company (60% interest)

ELG Utility LLC, a Delaware limited liability company (60% interest)

SUBSIDIARIES OF SOUTHERN UNION COMPANY, a Delaware corporation:

CCE Acquisition LLC, a Delaware limited liability company

CCE Holdings, LLC, a Delaware limited liability company

Energy Transfer Data Center, LLC, a Delaware limited liability company

Enhanced Service Systems, Inc., a Delaware corporation

Grey Ranch Plant Genpar, LLC, a Texas limited liability company

Grey Ranch Plant, L.P., a Texas limited partnership

Lake Charles Exports, LLC, a Delaware limited liability company (20% interest)

Lake Charles LNG Exports, LLC, a Delaware limited liability company

Leapartners, L.P., a Texas limited partnership

Lee 8 Storage Partnership, a Delaware limited partnership (29% interest)

Mi Vida Genpar, L.L.C., a Texas limited liability company

Missouri Gas Energy Employees' Association, a Missouri not for profit corporation

New England Gas Appliance Company, a Massachusetts corporation

Pan Gas Storage LLC , a Delaware limited liability company

Panhandle Eastern Pipe Line Company, LP, a Delaware limited partnership

Panhandle Energy LNG Services, LLC, a Delaware limited liability company

Panhandle Holdings LLC, a Delaware limited liability company

Panhandle Storage LLC, a Delaware limited liability company

PEI Power Corporation, a Pennsylvania corporation

PEI Power II, LLC, a Pennsylvania corporation (49.9% interest)

PEPL Holdings, LLC , a Delaware limited liability company

PG Energy, Inc., a Pennsylvania corporation

Sea Robin Pipeline Company, LLC , a Delaware limited liability company

Southern Union Company, a Delaware corporation

Southern Union Gas Company, Inc., a Texas corporation

Southern Union Gas Services, Ltd., a Texas limited partnership

Southern Union Gathering Company LLC, a Delaware limited liability

Southern Union Intrastate Gas Pipeline, Ltd., a Texas limited partnership

Southern Union Panhandle LLC, a Delaware limited liability company

Southern Union Pipeline, Ltd., a Texas limited partnership

SU Development Co., LLC, a Delaware limited liability company

SU Gas Services Operating Company, Inc., a Delaware corporation

SU Holding Company, Inc., a Delaware corporation

SU Pipeline Management LP, a Delaware limited partnership

SUCo LLC, a Delaware limited liability company

SUCo LP, a Delaware limited partnership

SUG Energy, LLC, a Texas limited liability company

SUGAir Aviation Company, a Delaware corporation

SUGS Holdings, LLC , a Delaware limited liability company

SU-West Texas Gathering Company, Inc., a Texas corporation

Trunkline Deepwater Pipeline LLC, a Delaware limited liability company

Trunkline Field Services LLC, a Delaware limited liability company

Trunkline Gas Company, LLC, a Delaware limited liability company

Trunkline LNG Company, LLC, a Delaware limited liability company

Trunkline LNG Export, LLC , a Delaware limited liability company

Trunkline LNG Holdings LLC, a Delaware limited liability company

Trunkline Offshore Pipeline LLC, a Delaware limited liability company

West Texas Gathering Company, a Delaware corporation

SUBSIDIARIES OF SUNOCO:

(including SUNOCO, INC., , a Delaware corporation and

SUNOCO PARTNERS LLC, a Pennsylvania limited liability company and general partner of SUNOCO LOGISTICS PARTNERS LP)

Sunoco, Inc., a Pennsylvania corporation

Sunoco, Inc. (R&M), a Pennsylvania corporation

Sunoco Logistics Partners L.P., a Delaware limited partnership

Atlantic Petroleum (Out) LLC, a Delaware limited liability company

Atlantic Petroleum Corporation, a Delaware corporation

Atlantic Petroleum Delaware Corporation , a Delaware corporation

Atlantic Pipeline (Out) L.P. Texas limited partnership

Atlantic Refining & Marketing Corp., a Delaware corporation

Aventine Renewable Energy Holdings, Inc., a Delaware corporation

Butane Acquisition I LLC, a Delaware limited liability company

Clean Air Action Corporation, a Delaware corporation

Excel Pipeline LLC, a Delaware limited liability company

Explorer Pipeline Company, a Delaware corporation

Harbor Pipeline System, a New Jersey other

Helios Assurance Company, a Limited Bermuda other

Inland Corporation, an Ohio corporation

Jalisco Corporation, a California corporation

Japan Sun Oil Company, Ltd., a Japan other

Jay Field Pipeline System, a Texas other

Lavan Petroleum Company (LAPCO), an Iran, Islamic Republic of other

Lesley Corporation, a Delaware corporation

Libre Insurance Company, Ltd., a Bermuda other

Lugrasa, S.A., a Panama corporation

Mascot, Inc. (MA), a Massachusetts corporation

Maumee Pipe Line System, a Texas other

Mesa Pipe Line System, a Texas other

Mid-Continent Pipe Line (Out) LLC, a Texas limited liability company

Mid-Valley Pipeline Company, an Ohio corporation

Oil Casualty Insurance, Ltd., a Bermuda other

Oil Insurance Limited Bermuda other

Pacesetter/MVHC, Inc., a Texas corporation

PES Holdings, LLC, a Delaware limited liability company

Philadelphia Energy Solutions LLC, a Delaware limited liability company

Philadelphia Energy Solutions Refining and Marketing LLC, a Delaware limited liability company

Puerto Rico Sun Oil Company LLC, a Delaware limited liability company

Sun Alternate Energy Corporation, a Delaware corporation

Sun Atlantic Refining and Marketing B.V., a Netherlands other

Sun Atlantic Refining and Marketing B.V., Inc., a Delaware corporation

Sun Atlantic Refining and Marketing Company, a Delaware corporation

Sun Canada, Inc., a Delaware corporation

Sun Company, Inc., a Delaware corporation

Sun Company, Inc., a Pennsylvania corporation

Sun International Limited, a Bermuda other

Sun Lubricants and Specialty Products Inc., a Quebec corporation

Sun Mexico One, Inc., a Delaware corporation

Sun Mexico Two, Inc., a Delaware corporation

Sun Oil Company, a Delaware corporation

Sun Oil Export Company, a Delaware corporation

Sun Oil International, Inc., a Delaware corporation

Sun Petrochemicals, Inc., a Delaware corporation

Sun Pipe Line Company, a Texas corporation

Sun Pipe Line Company of Delaware LLC, a Delaware limited liability company

Sun Pipe Line Delaware (Out) LLC, a Delaware limited liability company

Sun Refining and Marketing Company, a Delaware corporation

Sun Services Corporation, a Pennsylvania corporation

Sun Transport, LLC, a Pennsylvania limited liability company

Sun-Del Pipeline LLC, a Delaware limited liability company

Sun-Del Services, Inc., a Delaware corporation

Sunmarks, LLC, a Delaware limited liability company

Sunoco de Mexico, S.A. de C.V., a Mexico other

Sunoco Logistics Partners GP LLC, a Delaware limited liability company

Sunoco Logistics Partners Operations GP LLC, a Delaware limited liability company

Sunoco Logistics Partners Operations L.P., a Delaware limited partnership

Sunoco Overseas, Inc., a Delaware corporation

Sunoco Partners Butane Blending LLC, a Delaware limited liability company

Sunoco Partners Lease Acquisition & Marketing LLC, a Delaware limited liability company

Sunoco Partners Marketing & Terminals L.P., a Texas limited partnership

Sunoco Partners Operating LLC, a Delaware limited liability company

Sunoco Partners Real Estate Acquisition LLC, a Delaware limited liability company

Sunoco Partners Rockies LLC, a Delaware limited liability company

Sunoco Pipeline Acquisition LLC, a Delaware limited liability company

Sunoco Pipeline L.P., a Texas limited partnership

Sunoco Power Marketing L.L.C., a Pennsylvania limited liability company

Sunoco Receivables Corporation, Inc., a Delaware corporation

The New Claymont Investment Company, a Delaware corporation

The Sunoco Foundation Pennsylvania not-for-profit corporation

Van Buren Products Terminal New York other

Venezoil, C.A. Venezuela other

West Shore Pipe Line Company, a Delaware corporation

West Texas Gulf Pipe Line Company, a Delaware corporation

Wolverine Pipe Line Company, a Delaware corporation

Yellowstone Pipe Line Company, a Delaware corporation