Exhibit (21)

TRANSCONTINENTAL GAS PIPE LINE CORPORATION
SUBSIDIARIES

	% Owned		State of
Subsidiary Name	By Parent		Incorporation
Cardinal Operating Company		100.00	Delaware
Cross Bay 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
Transco Independence Pipeline Company		100.00	Delaware