- U.S Department of Laborwww.dol.gov
- American Health Care Associationwww.ahcancal.org
- American Nurses Associationwww.nursingworld.org
- Home Care Association of Americawww.hcaoa.org
- American Staffing Association www.americanstaffing.net
- American Medical Associationwww.ama-assn.org
