Home.Auto Boat RV Life. Business DWIGHT SWANSTROM COMPANY SPIRIT VALLEY A GENCY, INC Serving he Duluth Area Since 1889 Dwight Swanstrom Co. Spirit Valley Agency Celebrates 130 years of insuring your Home, Auto & Businesses. Were Locally owned and Were here to Stay! Stop in to review your insurance needs no appointment necessary. Established in 1889 Home.Auto Boat RV Life. Business DWIGHT SWANSTROM COMPANY SPIRIT VALLEY A GENCY , INC Serving he Duluth Area Since 1889 Dwight Swanstrom Co. Spirit Valley Agency Celebrates 130 years of insuring your Home, Auto & Businesses. Were Locally owned and Were here to Stay! Stop in to review your insurance needs no appointment necessary. Established in 1889