* Monastic orders: orders founded by monks or nuns who live and work in a monastery and recite the divine office.
* Mendicant orders: orders founded by friars or nuns who live from alms, recite the divine office, and have active participation in apostolic endeavors.
Order of Preachers (Dominicans)
Order of Friars Minor (Franciscans)
* Canons Regulars: orders founded by canons and canonesses regular who recite the divine office and generally are in charge of a parish.
* Clerks Regulars: orders founded by priests who are also religious men with vows and have a very active apostolic live.
Society of Jesus (Jesuits)