- Iowa Catholic Conference (ICC). ICC is the Iowa bishops’ conference’s legislative arm.
- Des Moines Catholic Worker (515) 243-0765
- United States Conference of Catholic Bishops Department of Social Justice and World Peace shows the current concerns of the US bishops.
- Catholic Campaign for Human Development (CCHD). CCHD is the US bishops" campaign to empower the poor.
- Catholic Charities USA. Catholic Charities is the national Catholic organization assisting the poor in the US and advocating on their behalf.
- Catholic Charities Hurricane Relief
- Catholic Relief Services (CRS) CRS is the US Catholic overseas aid agency that provides emergency, development, and empowerment assistance in countries throughout the world.
- National Catholic Rural Life Conference (NCRLC). NCRLC is the national Catholic organization which educates and advocates for farmers and agricultural issues from the standpoint of Catholic Social Teaching.
- Pax Christi USA. Pax Christi USA is the national Catholic Peace organization
- Network: a Catholic Social Justice Lobby
- Center of Concern (CoC) CoC is a Jesuit-sponsored think tank with information on many international justice issues.
- Catholic Campaign for Immigration Reform
