NDMTA and NMTA 25-Year Membership Certificate
| Member | Member Since | Year of 25th |
| Frank Pearson* | 1952 | 1977 |
| Carole Flatau* | 1957 | 1982 |
| Eleanor Johnson* | 1957 | 1982 |
| Sister Moireen Kelly* | 1959 | 1984 |
| Sally Rudolph | 1963 | 1988 |
| Mary Anne Broshat | 1968 | 1993 |
| Helen Sayer | 1968 | 1993 |
| Diane Eichhorst | 1969 | 1994 |
| Marilyn Knutson | 1969 | 1994 |
| Maxine Aarestad | 1970 | 1995 |
| Marilyn Jones | 1970 | 1995 |
| Karen Okerlund | 1970 | 1995 |
| Marjorie Johnson | 1970 | 1995 |
| Dianne Hardy-Falcon | 1972 | 1997 |
| Priscilla Keogh | 1973 | 1998 |
| Beth Gigante Klingenstein | 1973 | 1998 |
| Doris Burkhart Thurk | 1973 | 1998 |
| Sharon Wesbrook | 1973 | 1998 |
| Ellen Croy | 1973 | 1998 |
| Marilyn Polk | 1974 | 1999 |
| Jean Buck | 1974 | 1999 |
| Bernice Faul | 1974 | 1999 |
| Diana Skroch | 1974 | 1999 |
| Mavis Wagner | 1974 | 1999 |
| Isabelle Weaver | 1975 | 2000 |
| Marilyn Moe | 1975 | 2000 |
| Dolores Loberg | 1975 | 2000 |
| Thelma Willett | 1975 | 2000 |
| Phyllis Folstad | 1976 | 2001 |
| Virginia Geesaman | 1976 | 2001 |
| Barbara Hallgrimson | 1976 | 2001 |
| Ellen Sturdevant | 1976 | 2001 |
| Gloria Bethkke | 1977 | 2002 |
| Kathy Bresee | 1977 | 2002 |
| Sally Harmon | 1977 | 2002 |
| Kathleen Johnson | 1977 | 2002 |
| Mary Jane Halvorson | 1978 | 2003 |
| Suzanne Rue | 1978 | 2003 |
| Joan Teichmann | 1978 | 2003 |
| Arlene Gray | 1979 | 2004 |
| Corinne Nustad | 1979 | 2004 |
| Anne Morris | 1980 | 2005 |
| Linda Wallevand | 1981 | 2006 |
| Deanna Qualley | 1981 | 2006 |
| Joyce Alme | 1981 | 2006 |
| Carol Heimer | 1981 | 2006 |
| Ann Mishler | 1982 | 2007 |
| Paulette Orson | 1982 | 2007 |
| Myung Park | 1982 | 2007 |
| Inta Stahl | 1982 | 2007 |
| Wanda Wavra | 1982 | 2007 |
| Sharon Anderson | 1983 | 2008 |
| Charlene Berg | 1983 | 2008 |
| Cynthia Bredeson | 1983 | 2008 |
| Jane Feigum | 1983 | 2008 |
| Ann Delorme-Holman | 1983 | 2008 |
| Kathleen Hovde | 1983 | 2008 |
| Sue Kerr | 1983 | 2008 |
| Sheryl Kjelland | 1983 | 2008 |
| Donna Fitzgerald | 1984 | 2009 |
| Lunda Pearson | 1984 | 2009 |
| Darla Sheldon | 1984 | 2009 |
*50 or more years as member