IMC
- Consolata Missionaries
- Electrical conduit
- Fellowship of Independent Methodist Churches
- IMC AG
- IMC Electric bus
- IMC Financial Markets
- IMC Global
- IMC rating
- Immersive Media Company
- Independent Media Center
- Independent Monitoring Commission
- Indian Muslim Council
- Indore Municipal Corporation
- Information Management Center (Puntland)
- Institute of Management Consultants USA
- Instructional manipulation check
- Instrument meteorological conditions
- Integrated Marketing Communications
- Integrated memory controller
- Intel Mobile Communications
- Intermediate Mathematical Challenge
- Intermountain Medical Center
- International Championship for Manufacturers
- International Maritime Confederation
- International Marketmakers Combination
- International Mathematics Competition
- International Mechanical Code
- International Medical Center
- International Medical Corps
- International Medieval Congress
- International Meditation Centre
- International Metalworking Companies
- International Music Council
- Internet Mail Consortium
- Investment Migration Council
- Irish Mountaineering Club
- Islamabad Metropolitan Corporation
- Isothermal microcalorimetry (IMC)
- Medical Council of Ireland
- The Infinite Monkey Cage
- WDNI-CD
- Ward Anderson
- World Market Center Las Vegas