| Abbreviation | Definition |
|---|---|
| MFTA | Macau Fair Trade Association |
| MITA | Midwest International Trade Association |
| MLPC | Mine Labour Protection Campaign |
| MTAS | Matt Talbot Adolescent Services |
| MTASA | Motor Trade Association of South Australia |
| MTDP | Minority Telecommunications Development Program |
| MVMA | Masonry Veneer Manufacturer’s Association |
| MWTA | Minnesota World Trade Association |
| NAAM | National Association of Automobile Museums |
| NAATA | North American Automobile Trade Association |
| NABT | National Association of Boat Traders |
| NACCB | National Association of Computer Consultant Businesses |
| NACCB | North America Congress for Conservation Biology |
| NACTA | North American Celtic Trade Association |
| NAFA | National Air Filtration Association |
| NAITA | North Alabama International Trade Association |
| NARUC | National Association of Regulatory Utility Commissioners |
| NATA | National Alliance of Trade Associations |
| NATB | National Association of Ticket Brokers |
| NAWMA | North American Weed Management Association |