| American-Cassinese Congregation |
| 1 |  Latrobe, Pennsylvania |  St. Vincent Archabbey Basilica  |
| 2 | Collegeville, Minnesota |  Abbey of St. John |
| 3 | Lacey, Washington | Benedictine Abbey of St. Martin
St. Martin University |
| 4 |  Humacao | Abadía de San Antonio Abad
Abbey of St. Anthony the Abbot |
| 5 | Atchison, Kansas | Abbey of St. Benedict |
| 6 | Morristown, New Jersey | Abbey of St. Mary |
| 7 | Manchester, New Hampshire | Abbey of St. Anselm
St. Anselm College |
| 8 | Portola Valley, California | Woodside Priory |
| 9 | Newark, New Jersey | Abbey Church of St. Mary’s of the Immaculate Conception |
| 10 | Belmont, North Carolina |  Basilica of Our Lady Help of Christians
Belmont Abbey |
| 11 | St. Leo, Florida | Abbey of St. Leo |
| 12 | Lisle, Illinois | Abbey of St. Procopius |
| 13 | Cleveland, Ohio | Abbey of St. Andrew |
| 14 | Cullman, Alabama | Benedicinte Abbey of St. Bernard |
| 15 | Peru, Illinois | Abbey of St. Bede |
| 16 |  Muenster, Saskatchewan | Abbatial Church of Sts. Peter and Paul
Abbey of St. Peter |
| 17 | Richmond, Virginia | Abbey of Mary Mother of the Church |
| 18 | Shawnee, Oklahoma | Abbey of St. Gregory |
| 19 | Richardton, North Dakota | Assumption Abbey
Parish of St. Mary |
| 20 | Pine City, New York | Mount Saviour Monastery |
| Swiss-American Federation – Einsiedeln |
| 21 | St. Meinrad, Indiana | Archabbatial Church of Our Lady of Einsiedeln
St. Meinrad Archabbey |
| 22 | Subiaco, Arkansas | Subiaco Abbey of St. Benedict |
| 23 | St. Benedict, Louisiana | Abbey Church of St. John |
| 24 | Aurora, Illinois | Marmion Abbey
Abbey Church of St. Augustine of Canterbury
Marmion Academy |
| 25 | Oceanside, California | Prince of Peace Abbey |
| Swiss-American Federation – Engelberg |
| 26 | Conception, Missouri | Basilica of the Immaculate Conception
Conception Abbey |
| 27 | Benet Lake, Wisconsin | Abbey of St. Benedict |
| 28 | Hingham, Massachusetts | Our Lady of Glastonbury Abbey |
| 29 | Elkhorn, Nebraska | Mount Michael Abbey |
| 30 | St. Benedict, Oregon | Mount Angel Abbey |
| 31 | Mission, British Columbia | Westminster Abbey
Benedictine Abbey of St. Joseph |
| 32 | Jerome, Idaho | Priory of the Ascension |
| Sint Andriesabdij, Brugges |
| 33 | Valyermo, California | Benedictine Abbey of St. Andrew |
| Camaldolese |
| 34 | Big Sur, California | Hermitage Church of the Immaculate Heart
New Camaldoli Hermitage |
| 35 | Berkeley, California | Incarnation Monastery |
| English |
| 36 | Portsmouth, Rhode Island | Abbatial Church of St. Gregory
Portsmouth Abbey |
| 37 | Washington, District of Columbia | Abbey of St. Anselm |
| 38 | Creve Coeur, Missouri | Abbey of St. Louis and St. Mary |
| Olivetan |
| 39 | St. David, Arizona | Olivetan Benedictine Monastery of the Holy Trinity |
| 40 | Pecos, New Mexico | Abbey of Our Lady of Guadalupe |
| 41 | San Luis Obispo, California | Monastery of the Risen Christ
Chapel of the Holy Spirit |
| Ottilien |
| 42 | Newton, New Jersey | Abbey of St. Paul |
| 43 | Schuyler, Nebraska | Priory of Christ the King |
| Solesmes |
| 44 | Saint-Benoît-du-Lac, Québec | Abbaye Saint-Benoît-du-Lac
Abbey of St. Benedict of the Lake |
| 45 | Hulbert, Oklahoma | Abbatial Church of Our Lady of the Annunciation
Clear Creek Abbey |
| Subiaco |
| 46 | Abiquiu, New Mexico | Monastery of Christ in the Desert |
| 47 | Chicago, Illinois | Monastery of the Holy Cross |
| 48 | Petersham, Massachusetts | Monastery of St. Mary |
| Sylvestrine |
| 49 | Oxford, Michigan | Monastery of St. Benedict |
| Subject to the Abbot Primate |
| 50 | Weston, Vermont | Weston Priory |
| Associated to the Confederation |
| 51 | Bartonville, Illinois | Abbey of St. Benedict |
