sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Mid America Trucking Show | **** |
| Mid America Truck Show | *** |
| Martial Arts Training Service | *** |
| Mountain Area Transportation System | *** |
| Master of Theological Studies | *** |
| Minot Area Theatrical Society | *** |
| Macomb Auto Theft Squad | *** |
| Metropolitan Assessment and Treatment Services | *** |
| Metropolitan Association for Teachers of Science | *** |
| Maine Addiction Treatment System | ** |
| Minor Accident Treatment Service | ** |
| Macon Area Transit Services | ** |
| Malta Air Traffic Services | ** |
| Melbourne Abroad Travelling Scholarship | ** |
| minor accident and treatment service | ** |
| Media and Technology Section | ** |
| Montreal Area Thermal Soarers | ** |
| Military Academy and Training School | ** |
| Managed Addiction Treatment Services | ** |
| Mortgage Application Tracking System | ** |
| Market Auction Trading System | ** |
| Mid Atlantic Truck Show | ** |
| Materials in the Service | ** |
| Metropolitan Area Transportation Study | ** |
| Macon Area Transportation Study | ** |
| Midwest Association of Theological Schools | ** |
| Military Air Transport Services | ** |
| Maryland Adult Tobacco Survey | ** |
| Military Air Transportation Service | ** |
| Mediterranean Air Transport Service | ** |
| Modules and Tutorials System | ** |
| Madison Association of Turkish Students | ** |
| Mechanized Analysis of Traffic Studies | ** |
| Michigan Athletic Trainers Society | ** |
| Multi Application Tracking System | ** |
| Modular Automated Test System | * |
| Muskegon Area Transit Service | * |
| Master of Arts in Teaching Science | * |
| Mid American Trucking Show | * |
| Midcourse Airborne Target Signatures | * |
| Moray Assisted Transport Scheme | * |
| Maintenance Activity Tracking System | * |
| MPEG 4 Audio Transport Stream | * |
| Multi Arterial Traffic System | * |
| Mindanao Aeronautical Technical School | * |
| Master of Arts in Teaching Secondary | * |
| Melanesian Association of Theological Schools | * |
| Mid Atlantic Tracking System | * |
| Midcourse Airborne Target Signature | * |
| Multiport Advanced Test Suite | * |
| Military Air Training Service | * |
| Mission and Assignment Tracking System | * |
| Milestone Automated Tracking System | * |
| MODIS Atlantic Test Site | * |
| military air transportation system (now MAC) | * |
| Mobility Aggregator Transport System | * |