Drug Information Association (DIA):http://www.diahome.org
The Society for Clinical Data Management:http://www.scdm.org
The Association for Clinical Data Management:http://www.acdm.org.uk
The Society for Clinical Trials: http://www.sctweb.org
The American Statistical Organization:http://www.amstat.org
The International Biometric Society: http://www.tibs.org
The Regulatory Affairs Professionals Society: http://www.raps.org
Clinical Data Interchange Standards Consortium (CDISC):http://www.cdisc.org
American Association of Pharmaceutical Scientists (AAPS): http://www.aaps.org
Association of Clinical Research Professionals (ACRP):http://www.acrpnet.org
Biotechnology Industry Organization (BIO):http://www.bio.org
Pharmaceutical Research & Manufacturers of America (PhRMA):http://www.phrma.org
World Health Organization (WHO):http://www.who.int
Institute of Clinical Research: http://www.instituteofclinicalresearch.org

Regulatory and Government

US FDA:http://www.fda.gov
European Medicines Agency:http://www.emea.eu.int
ICH:http://www.ich.org

Coding Dictionaries

Medical Dictionary for Regulatory Activities (MedDRA):http://www.meddra.com
MedDRA Maintenance & Support Service Organization:http://www.meddramsso.com /
WHO Drug Dictionary:http://www.umc-products.com
ICD9:http://www.hl7.org/standards/ICD9cm.htm
COSTART:http://www.ntis.gov
LOINC (Laboratory Terminology):http://www.loinc.org