| MAIB | Marine Accident Investigation Board 
| Others |
| MAIB | Marine Accident Investigation Branch
| Others |
| MAIB | Master of Arts in International Business
| Others |
| MAIB | Messing About In Boats
| Others |
| MAIB | Messing About In Boats Magazine
| Others |
| MAIB | Motor Accident Insurance Board
| Others |
| MAIB | Motor Accidents Insurance Board
| Others |
| MAIC | Maine Aquaculture Innovation Center
| Others |
| MAIC | Major Analytical Instrumentation Center
| Others |
| MAIC | Martial Arts International Community
| Others |
| MAIC | Massachusetts Adult Immunization Coalition
| Others |
| MAIC | Master of Arts In Communication
| Others |
| MAIC | Matching Adjusted Indirect Comparisons
| Others |
| MAIC | Measure Analyze Improve Control
| Others |
| MAIC | Medical Aid for Iraqi Children
| Others |
| MAIC | Medical Alliance Insurance Company
| Others |
| MAIC | Michigan Avenue Immediate Care
| Others |
| MAIC | Mid America Immunization Coalition
| Others |
| MAIC | Mid Atlantic Impreza Club
| Others |
| MAIC | Mid Atlantic Internship Consortium
| Others |
| MAIC | Mid-Atlantic Internet Cooperative
| Others |
| MAIC | Mine Action Information Center
| Others |
| MAIC | Minneapolis American Indian Center
| Others |
| MAIC | Minnesota Intercollegiate Athletic Conference
| Others |
| MAIC | Mississippi Agricultural Industry Council
| Others |
| MAIC | Motor Accident Insurance Commission
| Others |
| MAIC | Mycobacterium Avium Intracellulare Complex
| Others |
| MAICD | Member of the Australian Institute of Company Directors
| Others |
| MAICE | Master of the American Institute of Consulting Engineers
| Others |
| MAICO | Maisch and Company
| Others |
| MAICS | Masters of Arts in Inter-Cultural Studies
| Others |
| MAID | Maine Association of Independent Doulas
| Others |
| MAID | Making An Informed Decision
| Others |
| MAID | Mandatory Asset Information Database
| Others |
| MAID | Market Analysis Information Database
| Others |
| MAID | Massive Array of Idle Disks
| Others |
| MAID | Massive Array of Inactive Disks
| Others |
| MAID | Massive Arrays of Idle Disk
| Others |
| MAID | Massive Arrays Of Idle Drives
| Others |
| MAID | Masturbation And Its Discontents
| Others |
| MAID | Medical Assistance Identification
| Others |
| MAID | Medical Assistance In Dying
| Others |
| MAID | Mennonite Archival Image Database
| Others |
| MAID | Mesna Adriamycin Ifosfamide And Dexamethasone
| Others |
| MAID | Microwave Android Integrated Device
| Others |
| MAID | Mothers Against Impaired Driving
| Others |
| MAIDA | Making Antique Inspired Dolls And Accessories
| Others |
| MAIDAS | Mazda Advanced Impact Distribution and Absorption System
| Others |
| MAIDS | Management Automated Information Display System
| Others |
| MAIDS | Mobile and Internet Dependency Syndrome
| Others |