Baby Center
http://www.babycenter.com

The Prevention and Relationship Enhancement Program (PREP^®)
http://www.prepinc.com

The Coalition for Marriage, Family, & Couples Education
http://www.smartmarriages.com

Marriage Alive
http://www.marriagealive.com

The National Fatherhood Initiative
http://www.fatherhood.org

The Oklahoma Marriage Initiative
http://www.okmarriage.org