SOLT has missions in twelve countries including England, the Philippines, Thailand, China, Belize, Guatemala, Haiti and Mexico. There are several missions in the United States, including a mission for Native Americans in North Dakota, work with migrant farm workers in the Midwest, and inner city parishes in Detroit, Corpus Christi and Phoenix. Our Lady of Corpus Christi is a retreat and formation center located in Corpus Christ, Texas. The apostolic works of SOLT vary depending upon the needs and requests of the local bishop. Various SOLT ministries include drug rehabilitation, parish work, education at all levels, work with the destitute, health care, radio evangelization and an orphanage.