- IDCA
- Independent Duty Corpsman Association (Governmental » Military)**** International Development Cooperation Agency (Business » International Business)** Indian Diamond and Colorstone Association (Academic & Science » Geology)* Industrial Design Council of Australia (Business » Firms)* International Digestive Cancer Alliance (Community » Non-Profit Organizations)* India Development Coalition of America (Community » Non-Profit Organizations)* International Design Conference Aspen (Academic & Science » Architecture)* International Development Centre for Africa (Regional » African)* Interior Design Coalition of Arizona (Academic & Science » Architecture)* Italian Districts by Castles Award (Miscellaneous » Awards & Medals)* Independent Diagnostic Clinics Association (Medical » Hospitals)* International Dolphin Conservation Agreement (Academic & Science » Ocean Science)
Abbreviations dictionary. 2012.