College of American Pathologists (CAP)
http://www.cap.org/

Facility Guidelines Institute (FGI)
http://www.fgiguidelines.org/

Accreditation Association for Ambulatory Healthcare (AAAHC)

Homepage

American College of Radiology (ACR)
http://www.acr.org/

U.S. Department of Health and Humans Services (US HHS)
http://www.hhs.gov/

U.S. Food and Drug Administration (US FDA)
http://www.fda.gov/

Centers for Disease Control and Prevention (CDC)
http://www.cdc.gov/

The Joint Commission
http://www.jointcommission.org/

European Telecommunications Standards Institute (ETSI)
http://www.etsi.org/

International Organization for Standardization (ISO)
http://www.iso.org/

Canadian Standards Association (CSA)
http://www.csa.ca/