| MTA | Mack Trucks Academy 
| Others |
| MTA | Mack Trucks Australia
| Others |
| MTA | Maden Tetkik ve Arama Genel
| Others |
| MTA | Madrid Taxi Association
| Others |
| MTA | Magnetic Torquer Assembly
| Others |
| MTA | Mail Transfer Agent
| Others |
| MTA | Mail Transport Agent
| Others |
| MTA | Mail Ttransport Agent
| Others |
| MTA | Maine Turnpike Authority
| Others |
| MTA | Maintenance Task Analysis
| Others |
| MTA | Maitland Trail Association
| Others |
| MTA | Major Test Article
| Others |
| MTA | Major Trading Area
| Others |
| MTA | Major Training Area
| Others |
| MTA | Managed Thermactor Air
| Others |
| MTA | Manitoba Trucking Association
| Others |
| MTA | Manual Transmission Automated
| Others |
| MTA | Manufacturing Technology Academy
| Others |
| MTA | Many Trains Absent
| Others |
| MTA | Markdown Team Associate
| Others |
| MTA | Market Technicians Association
| Others |
| MTA | Marseilles Training Area
| Others |
| MTA | Marshall Trowelable Ablator
| Others |
| MTA | Maryland Transit Administration
| Others |
| MTA | Maryland Transport Authority
| Others |
| MTA | Mass Thermal Analysis
| Others |
| MTA | Mass Transit Administration
| Others |
| MTA | Mass Transit Authority
| Others |
| MTA | Mass Transportation Authority
| Others |
| MTA | Massachusetts Teachers Association
| Others |
| MTA | Massachusetts Turnpike Authority
| Others |
| MTA | Matanuska Telephone Association
| Others |
| MTA | Matched Tooling Aid
| Others |
| MTA | Material Transfer Agree
| Others |
| MTA | Material Transfer Agreement
| Others |
| MTA | Materials Testing Accelerator
| Others |
| MTA | Maximum Time Aloft
| Others |
| MTA | Mayor Traveling Abroad
| Others |
| MTA | Mazda Total Advantage
| Others |
| MTA | Media Terminal Adapter
| Others |
| MTA | Media Termination Adapter
| Others |
| MTA | Medical Technical Assistant
| Others |
| MTA | Medical Terminology Anatomy
| Others |
| MTA | Medical Treatment after Accident
| Others |
| MTA | medizinisch-technische Angestellte
| Others |
| MTA | medizinisch-technischer Angestellter
| Others |
| MTA | Medizinische Technische Assistant
| Others |
| MTA | Memory Type Based Allocation
| Others |
| MTA | Mendocino Transit Authority
| Others |
| MTA | Message Traffic Analysis
| Others |
| MTA | Message Transfer Agent
| Others |
| MTA | Message Transfer Architecture
| Others |
| MTA | Message Transport Agent
| Others |
| MTA | Messy Thu Apr
| Others |
| MTA | Metro Transit Assassins
| Others |
| MTA | Metro Transit Authority
| Others |
| MTA | Metropolitan Transit Authority
| Others |
| MTA | Metropolitan Transport Authority
| Others |
| MTA | Metropolitan Transportation Authority
| Others |
| MTA | Michigan Towing Association
| Others |
| MTA | Michigan Townships Association
| Others |
| MTA | Michigan Transfer Agreement
| Others |
| MTA | Michigan Trucking Association
| Others |
| MTA | Microsoft Technology Associate
| Others |
| MTA | Microsoft Training Academy
| Others |
| MTA | Microsoft Transaction Api
| Others |
| MTA | Microsoft Transaction Application Programming Interface
| Others |
| MTA | Microsoft Transfer Agent
| Others |
| MTA | Mid Term Assessment
| Others |
| MTA | Midwest Truckers Association
| Others |
| MTA | Mileage Tax Accounting
| Others |
| MTA | Milestone Trend Analysis
| Others |
| MTA | Military Training Agreement
| Others |
| MTA | Military Transport Aircraft
| Others |
| MTA | Military Transport Association
| Others |
| MTA | Mineral Tri-oxide Aggragate
| Others |
| MTA | Mineral Trioxide Aggregate
| Others |
| MTA | Minnesota Telecom Alliance
| Others |
| MTA | Minorities Treated Awfully
| Others |
| MTA | Mississippi Trucking Association
| Others |
| MTA | Mobile Task Automation
| Others |
| MTA | Mobile Telephony Api
| Others |
| MTA | Model Tenancy Act
| Legal, Policy |
| MTA | Model Turned Artist
| Others |
| MTA | Modem Telephony Agent
| Others |
| MTA | Modern Tourist Ad
| Others |
| MTA | Modernize Traditional Applications
| Others |
| MTA | Modernize Traditional Apps
| Others |
| MTA | Modular Test Architecture
| Others |
| MTA | Monthly Treasury Average
| Others |
| MTA | More Trouble Ahead
| Others |
| MTA | MoreTrench American Corporation
| Others |
| MTA | Mother Thrice Admirable
| Others |
| MTA | Motor Traders Association
| Others |
| MTA | Motor Transport Association
| Others |
| MTA | Motor Transport Awards
| Others |
| MTA | Motorcycle Tires and Accessories
| Others |
| MTA | Moving Treasury Average
| Others |
| MTA | Muay Thai Association
| Others |
| MTA | Multi theft auto
| Others |
| MTA | Multi Threaded Apartment
| Others |
| MTA | Multi Threaded Architecture
| Others |
| MTA | Multi Tier Application
| Others |
| MTA | Multi Tier Architecture
| Others |
| MTA | Multi Touch Attribution
| Others |
| MTA | Multi-Theft Auto
| Others |
| MTA | Multimedia Terminal Adapter
| Others |
| MTA | Multimedia Terminal Adaptor
| Others |
| MTA | Multimodal Treatment of Attention Deficit Hyperactivity Disorder
| Others |
| MTA | Multiple Terminal Access
| Others |
| MTA | Multiple Threaded Apartment
| Others |
| MTA | Multisensory Teaching Approach
| Others |
| MTA | Municipal Transportation Agency
| Others |
| MTA | Museum of Tethered Art
| Others |
| MTA | Music Therapist Accredited
| Others |
| MTA | Muslim Teachers Association
| Others |
| MTA | Muslim Television Ahmadiyya
| Others |
| MTA | My Talker Address
| Others |
| MTA | my talking Angela
| Others |
| MTA | The Major Trading Areas
| Others |
| MTA | The Metropolitan Transit Association
| Others |