Map for IRA-MAC, Inc. Map for IRA-MAC, Inc. Search | Advanced Search | New Members | Coupons and Discounts | All Categories Other >> Division 31 - Earthwork >> 31 23 00 Excavation and Fill IRA-MAC, Inc. 2785 S Liberty StBoise, ID 83709 | directions Robert Irusta (208) 362-3877 | fax: (208) 362-3928