Martin Oil Co Address: 60 1st Ave SE, Harmony, MN 55939 Phone: (507) 886-5866 Oils-Fuel Other Businesses: Nethercut Law Office at 32 Main Ave N, Harmony, MN 55939 Richard A Nethercut & Tax Offices at 32 Main Ave N, Harmony, MN 55939 Wheelers Bar & Grill at 605 Main Ave N, Harmony, MN 55939