Not the most detailed list of the Pipeline Contractors in Idaho. The following list will however point you in the right direction. I do not guarantee that all numbers will work. I would recommend using Google as a great tool to find out more precise information on the Contractors listed below.
Agri Lines Irrigation
Parma, ID 83660
T A Dibble Excavation Inc WBE
Boise, ID 83702
429 E Highway 81, Burley, ID 83318