ServiceMaster of Superior-Duluth-Cloquet  Call: (218) 461-4434 ServiceMaster of Superior-Duluth-Cloquet (SDC) has been serving the three county areas of Douglas County (in Wisconsin), Carlton, and Saint Louis Counties (in Minnesota) since 1961. They are locally owned and operated by Jim & Stephanie Hebb. They specialize in Fire and Water Damage Restoration, Mold Remediation, ...