Simco Development Group Simco Development Group Search | Advanced Search | New Members | Coupons and Discounts | All Categories Related Categories Division 31 - Earthwork31 10 00 Site Clearing31 20 00 Earth Moving31 23 00 Excavation and Fill31 30 00 Earthwork MethodsDivision 32 - Exterior Improvements32 30 00 Site ImprovementsDivision 33 - Utilities33 10 00 Water Utilities33 30 00 Sanitary Sewerage33 40 00 Stormwater Utilities Other >> Division 31 - Earthwork >> 31 20 00 Earth Moving Simco Development Group 4563 Magrath DrCoeur d'Alene, ID 83815 | map | directions Jason Simmons (208) 770-9391 We are an excavation company who specializes in commercial and residential civil infrastructure. Member Since: 2018