EXHIBIT 21.1  LIST OF SUBSIDIARIES Enterprise GP Holdings L.P. as of February 1, 2006  JurisdictionName of Subsidiary
        of Formation
        Effective OwnershipAcadian Acquisition, LLC
        Delaware
        Acadian Gas, LLC  100%Acadian Consulting LLC
        Delaware
        Acadian Gas, LLC  100%Acadian Gas, LLC
        Delaware
        Enterprise Products Operating L.P.  100%Acadian Gas Pipeline System
        Texas
        TXO-Acadian Gas Pipeline, LLC  50%
MCN-Acadian Gas Pipeline, LLC  50%Arizona Gas Storage, L.L.C.
        Delaware
        Enterprise Arizona Gas, L.L.C.  60%Atlantis Offshore, LLC
        Delaware
        Manta Ray Gathering Company, L.L.C.  50%
Manta Ray Offshore Gathering
Company, L.L.C.  50%Baton Rouge Fractionators LLC
        Delaware
        Enterprise Products Operating L.P.  32.25%
Third Parties  67.75%Baton Rouge Pipeline LLC
        Delaware
        Baton Rouge Fractionators LLC  100%Baton Rouge Propylene Concentrator, LLC
        Delaware
        Enterprise Products Operating L.P.  30%
Third Parties  70%Belle Rose NGL Pipeline, L.L.C.
        Delaware
        Enterprise NGL Pipelines, LLC 41.67%
Third Parties  58.33%Belvieu Environmental Fuels GP, LLC
        Delaware
        Enterprise Products Operating L.P.  100%Belvieu Environmental Fuels L.P.
        Texas
        Enterprise Products Operating L.P. - 99%
Belvieu Environmental Fuels GP, LLC  1%Cajun Pipeline Company, LLC
        Texas
        Enterprise Products Operating L.P.  100%Calcasieu Gas Gathering System
        Texas
        TXO-Acadian Gas Pipeline, LLC  50%
MCN-Acadian Gas Pipeline, LLC  50%Cameron Highway Oil Pipeline Company
        Delaware
        Cameron Highway Pipeline I, L.P.  50%
Third Party  50%Cameron Highway Pipeline GP, L.L.C.
        Delaware
        Enterprise GTM Holdings L.P.  100%Cameron Highway Pipeline I, L.P.
        Delaware
        Enterprise GTM Holdings L.P.  99%
Cameron Highway Pipeline GP, L.L.C.  1%Chunchula Pipeline Company, LLC
        Texas
        Enterprise Products Operating L.P.  100%Coyote Gas Treating Limited Liability Company
        Delaware
        Enterprise Field Services, L.L.C.  50%Crystal Holding, L.L.C.
        Delaware
        Enterprise GTM Holdings L.P.  100%Cypress Gas Marketing, LLC
        Delaware
        Acadian Gas, LLC  100%Cypress Gas Pipeline, LLC
        Delaware
        Acadian Gas, LLC  100%Deep Gulf Development, LLC
        Delaware
        Enterprise Offshore Development, LLC  90%
Third Party  10%Deepwater Gateway, L.L.C.
        Delaware
        Enterprise Field Services, L.L.C.  50%
Third Party - 50%Dixie Pipeline Company
        Delaware
        Enterprise Products Operating L.P.  38.1%
Enterprise NGL Pipelines, LLC  27.8%
Third Parties  34.0%E-Cypress, LLC
        Delaware
        Enterprise Products Operating L.P.  100%E-Oaktree, LLC
        Delaware
        E-Cypress, LLC  100%Enterprise Alabama Intrastate, L.L.C.
        Delaware
        Enterprise GTM Holdings L.P.  100%Enterprise Arizona Gas, L.L.C.
        Delaware
        Enterprise Field Services, L.L.C.  100%Enterprise Energy Finance Corporation
        Delaware
        Enterprise GTM Holdings L.P.   100%Enterprise Field Services, LLC
        Delaware
        Enterprise GTM Holdings L.P. - 100%Enterprise Fractionation, LLC
        Delaware
        Enterprise Products Operating L.P.  100%      Enterprise GC, L.P.
        Delaware
        Enterprise GTM Holdings L.P.  99%
Enterprise Holding III, L.L.C.  1%Enterprise GTMGP, LLC
        Delaware
        Enterprise Products GTM, LLC  100%Enterprise GTM Hattiesburg Storage, LLC
        Delaware
        Crystal Holding, L.L.C.  100%Enterprise GTM Holdings L.P.
        Delaware
        Enterprise Products Operating L.P.  99%
Enterprise GTMGP, LLC  1%Enterprise GTM Offshore Operating Company, LLC
        Delaware
        Enterprise GTM Holdings L.P.  100%Enterprise Gas Liquids LLC
        Delaware
        Enterprise Products Operating L.P.  100%Enterprise Gas Processing LLC
        Delaware
        Enterprise Products Operating L.P.  100%Enterprise Holding III, L.L.C.
        Delaware
        Enterprise GTM Holdings L.P.  100%Enterprise Hydrocarbons L.P.
        Delaware
        Enterprise Products Texas Operating L.P.  99%
Enterprise Products Operating L.P.  1%Enterprise Intrastate L.P.
        Delaware
        Enterprise GTM Holdings L.P.  99%
Enterprise Holding III, L.L.C.  1%Enterprise Lou-Tex NGL Pipeline L.P.
        Delaware
        Enterprise Products Operating L.P.  99%
HSC Pipeline Partnership L.P.  1%Enterprise Lou-Tex Propylene Pipeline L.P.
        Delaware
        Enterprise Products Operating L.P.  99%
Propylene Pipeline Partnership L.P.  1%Enterprise NGL Marketing Company L.P.
        Delaware
        Enterprise Products Texas Operating L.P.  99%
Enterprise Products Operating L.P.  1%Enterprise NGL Pipelines, LLC
        Delaware
        Enterprise Products Operating L.P.  100%Enterprise Norco LLC
        Delaware
        Enterprise Products Operating L.P.  100%Enterprise Offshore Development, LLC
        Delaware
        Moray Pipeline Company, LLC  100%Enterprise Products GP, LLC
        Delaware
        Enterprise GP Holdings L.P.  100%Enterprise Products GTM, LLC
        Delaware
        Enterprise Products Operating L.P.  100%Enterprise Products OLPGP, Inc.
        Delaware
        Enterprise Products Partners L.P.  100%Enterprise Products Operating L.P.
        Delaware
        Enterprise Products Partners L.P.  99.999%
Enterprise Products OLPGP, Inc.  0.001%Enterprise Products Partners L.P.
        Delaware
        Enterprise Products GP, LLC  2%
Public Unitholders  61.5%
Dan L. Duncan, EPCO, Inc., Dan Duncan LLC and other Affiliates  33.1%
Enterprise GP Holdings L.P. 3.4%Enterprise Products Texas Operating L.P.
        Texas
        Enterprise Products Operating L.P.  99%
Enterprise Products Partners L.P.  1%Enterprise Terminalling L.P.
        Texas
        Enterprise Products Operating L.P.  99%
Enterprise Gas Liquids LLC 1%Enterprise Terminals & Storage, LLC
        Delaware
        Mapletree, LLC  100%Enterprise Texas Pipeline, L.P.
        Delaware
        Enterprise GTM Holdings L.P.  99%
Enterprise Holding III, L.L.C.  1%EPOLP 1999 Grantor Trust
        Texas
        Enterprise Products Operating L.P.  100%Evangeline Gas Corp.
        Delaware
        Evangeline Gulf Coast Gas, LLC  45.05%
Third Parties  54.95%Evangeline Gas Pipeline Company L.P.
        Delaware
        Evangeline Gulf Coast Gas, LLC  45%
Evangeline Gas Corp.  10%
Third Party  45%Evangeline Gulf Coast Gas, LLC
        Delaware
        Acadian Gas, LLC  100%First Reserve Gas, L.L.C.
        Delaware
        Crystal Holding, L.L.C.  100%Flextrend Development Company, L.L.C.
        Delaware
        Enterprise GTM Holdings L.P.  100%Grande Isle Pipeline LLC
        Delaware
        Enterprise Products Operating L.P.  100%Hattiesburg Gas Storage Company
        Delaware
        First Reserve Gas, L.L.C.  50%
Hattiesburg Industrial Gas Sales, L.L.C.  50%Hattiesburg Industrial Gas Sales, L.L.C.
        Delaware
        First Reserve Gas, L.L.C.  100%      High Island Offshore System, L.L.C.
        Delaware
        Enterprise GTM Holdings L.P.  100%HSC Pipeline Partnership, L.P.
        Texas
        Enterprise Products Operating L.P.  99%
Enterprise Products Partners L.P.  1%Independence Hub, LLC
        Delaware
        Enterprise Products Operating L.P.  80%
Third Party  20%K/D/S Promix, L.L.C.
        Delaware
        Enterprise Fractionation, LLC  50%
Third Parties  50%La Porte Pipeline Company L.P.
        Texas
        Enterprise Products Operating L.P.  49.5%
La Porte Pipeline GP, LLC  1.0%
Third Parties  49.5%La Porte Pipeline GP, L.L.C.
        Texas
        Enterprise Products Operating L.P.  50%
Third Parties  50%Mapletree, LLC
        Delaware
        Enterprise Products Operating L.P.  100%MCN Acadian Gas Pipeline, LLC
        Delaware
        Acadian Gas, LLC  100%MCN Pelican Interstate Gas, LLC
        Delaware
        Acadian Gas, LLC  100%MCN Pelican Transmission LLC
        Delaware
        Acadian Gas, LLC  100%Manta Ray Gathering Company, L.L.C.
        Delaware
        Enterprise GTM Holdings L.P.  100%Manta Ray Offshore Gathering Company, L.L.C.
        Delaware
        Neptune Pipeline Company, L.L.C.  100%Mid-America Pipeline Company, LLC
        Delaware
        Mapletree, LLC  100%Moray Pipeline Company, LLC
        Delaware
        Enterprise Products Operating L.P.  100%Nautilus Pipeline Company L.L.C.
        Delaware
        Neptune Pipeline Company, L.L.C.  100%Neches Pipeline System
        Texas
        TXO-Acadian Gas Pipeline, LLC  50%
MCN-Acadian Gas Pipeline, LLC  50%Nemo Gathering Company, LLC
        Delaware
        Enterprise NGL Pipelines, LLC  33.92%
Third Parties  66.08%Neptune Pipeline Company, L.L.C.
        Delaware
        Sailfish Pipeline Company, L.L.C.  25.67%
Third Parties  74.33%Norco-Taft Pipeline, LLC
        Delaware
        Enterprise NGL Private Lines & Storage, LLC  100%Olefins Terminal Corporation
        Delaware
        Enterprise Products Operating L.P. - 50%
Third Party  50%Petal Gas Storage, L.L.C.
        Delaware
        Crystal Holding, L.L.C.  100%Pontchartrain Natural Gas System
        Texas
        TXO-Acadian Gas Pipeline, LLC  50%
MCN-Acadian Gas Pipeline, LLC  50%Port Neches GP, LLC
        Delaware
        Enterprise Products Operating L.P.  100%Port Neches Pipeline L.P.
        Delaware
        Enterprise Products Operating L.P.  99%
Port Neches GP, LLC  1%Poseidon Oil Pipeline Company, L.L.C.
        Delaware
        Poseidon Pipeline Company, L.L.C.  36%
Third Parties - 64%Poseidon Pipeline Company, L.L.C.
        Delaware
        Enterprise GTM Holdings L.P.  100%Propylene Pipeline Partnership, L.P.
        Texas
        Enterprise Products Operating L.P.  99%
Enterprise Products Partners L.P.  1%Sabine Propylene Pipeline L.P.
        Texas
        Enterprise Products Operating L.P.  99%
Propylene Pipeline Partnership L.P.  1%Sailfish Pipeline Company, L.L.C.
        Delaware
        Enterprise Products Operating L.P.  100%Seminole Pipeline Company
        Delaware
        E-Oaktree, LLC  80.0%
E-Cypress, LLC  10%
Third Party  10%Sorrento Pipeline Company, LLC
        Texas
        Enterprise Products Operating L.P.  100%Tejas-Magnolia Energy, LLC
        Delaware
        Pontchartrain Natural Gas System  96.6%
MCN-Pelican Interstate Gas, LLC  3.4%Teco Gas Processing, LLC
        Delaware
        Enterprise Products Operating L.P.  100%Teco Gas Gathering, LLC
        Delaware
        Enterprise Products Operating L.P.  100%Tri-States NGL Pipeline, L.L.C.
        Delaware
        Enterprise Products Operating L.P.  33.3%      Enterprise NGL Pipelines, LLC  33.3%
Third Parties  33.3%Triton Gathering, L.L.C.
        Delaware
        Starfish Pipeline Company, L.L.C.  100%TXO-Acadian Gas Pipeline, LLC
        Delaware
        Acadian Gas, LLC  100%Venice Energy Services Company, L.L.C.
        Delaware
        Enterprise Gas Processing LLC  13.1%
Third Parties  86.99%Venice Pipeline LLC
        Delaware
        Enterprise Products Operating L.P.  100%West Cameron Dehydration Company, L.L.C.
        Delaware
        Starfish Pipeline Company, L.L.C.  100%Wilprise Pipeline Company, LLC
        Delaware
        Enterprise Products Operating L.P. - 74.7%
Third Parties - 25.3%