inactivebranchNORTHERN PIPELINE CONSTRUCTION CO.
(Massachusetts (US), 2355 W. UTOPIA ROAD, PHOENIX, AZ, 85027)
Previously/Alternatively known as SOUTHWEST GAS CORPORATION OF A
branchNPL CONSTRUCTION CO.
(Connecticut (US), 19820 N 7th Ave, STE 120, Phoenix, AZ, 85027)
Previously/Alternatively known as SOUTHWEST GAS CORPORATION OF ARIZONA
branchNPL CONSTRUCTION CO.
(Illinois (US))
Previously/Alternatively known as SOUTHWEST GAS CORPORATION OF ARIZONA
inactivebranchNorthern Pipeline Construction Co.
(Rhode Island (US), 2355 W. UTOPIA ROAD, PHOENIX, AZ, 85027-4167)
Previously/Alternatively known as SOUTHWEST GAS CORPORATION OF ARIZONA