Bertha-hewitt School--office Bertha, MN 56437 Phone : (218) 924-2500 All Star Service Hwy 71 Bertha, MN 56437 Phone : () - Fire--hewitt Bertha, MN 56437 Phone : (218) 924-3473 United States Government--u S Post Office Bertha, MN 56437 Phone : (218) 924-2130 Sun Opta Ingredients 308 2nd Ave Nw Bertha, MN 56437 Phone : (218) 924-2900 Bertha Senior Citizens 127 2nd Ave Nw Bertha, MN 56437 Phone : (218) 924-4150 Peterson Insurance 201 2nd Ave Nw Bertha, MN 56437 Phone : (218) 924-4255 Star Bank 201 2nd Ave Nw Bertha, MN 56437 Phone : (218) 924-4055 Bertha Municipal Liquor Store 115 2nd Ave W Bertha, MN 56437 Phone : (218) 924-9200 Bertha--city Hall 113 2nd Ave Nw Bertha, MN 56437 Phone : (218) 924-4454