Excavation Contractors in Sunburg, MN Thonvold Excavating11801 County Road 40 NWSunburg, MN, 562893203663677Excavation ContractorsGrading ContractorsKandi Lake Septic ServiceSeptic PumpingSeptic Tanks Systems Thonvold Bruce Excavating25631 133rd St NWSunburg, MN, 562893203663520Excavation ContractorsHouse Raising Show MoreSee AlsoGrading Contractors