Map for Showalter Construction Company, Inc. Map for Showalter Construction Company, Inc. Search | Advanced Search | New Members | Coupons and Discounts | All Categories Other >> Division 31 - Earthwork >> 31 23 00 Excavation and Fill Showalter Construction Company, Inc. 5101 Joy LnMarsing, ID 83639 | directions Brion G. Showalter (208) 896-4331 | fax: (208) 896-5151 Visit Site