J&M Excavation and Construction J&M Excavation and Construction Search | Advanced Search | New Members | Coupons and Discounts | All Categories   Other >> Division 31 - Earthwork >> 31 00 00 Earthwork J&M Excavation and Construction PO Box 1793Sandpoint , ID 83864 | map | directions jeff laybourne (208) 610-9281 New Member Connect With Us J&M Excavation and Construction is a specialty contractor providing heavy civil and residential excavation and pipeline construction services. Member Since: 2025