Schmidt Construction Co., Inc. Schmidt Construction Co., Inc. Search | Advanced Search | New Members | Coupons and Discounts | All Categories   Other >> Division 31 - Earthwork >> 31 00 00 Earthwork Schmidt Construction Co., Inc. 20109 Monte WayCaldwell, ID 83607 | map | directions Ryan McMillan (208) 459-2461 | fax: (208) 453-4968 Excavation and underground piping, sewer, water, storm drain, and irrigation. Member Since: 2002