Exhibit (21)

TRANSCONTINENTAL GAS PIPE LINE CORPORATION
SUBSIDIARIES

Subsidiary Name	% Owned By Parent	State of Incorporation
Cardinal Operating Company	100.00	Delaware
Cross Bay Operating Company	100.00	Delaware
Cumberland Operating Company	100.00	Delaware
Independence Operating Company	100.00	Delaware
Marsh Resources, Inc.	100.00	Delaware
Pine Needle Operating Company	100.00	Delaware
TGPL Enterprises, LLC	100.00	Delaware
TGPL Enterprises, Inc.	100.00	Delaware
Transco Cross Bay Company	100.00	Delaware
TransCardinal Company	100.00	Delaware
TransCarolina LNG Company	100.00	Delaware
TransCumberland Pipeline Company	100.00	Delaware
Transco Independence Pipeline Company	100.00	Delaware