inactivebranchNORTHERN PIPELINE CONSTRUCTION CO.
(Massachusetts (US), 2355 W. UTOPIA ROAD, PHOENIX, AZ, 85027)
Previously/Alternatively known as SOUTHWEST GAS CORPORATION OF A
inactivebranchNorthern Pipeline Construction Co.
(Rhode Island (US), 2355 W. UTOPIA ROAD, PHOENIX, AZ, 85027-4167)
Previously/Alternatively known as SOUTHWEST GAS CORPORATION OF ARIZONA