| Mackay Port Authority | North Mackay | 4740 | QLD |
| Magistrates Court | Hobart | 7000 | TAS |
| Magistrates Courts | Brisbane | 4001 | QLD |
| Main Roads Western Australia | East Perth | 6004 | WA |
| Major Brisbane Festivals | Brisbane | 4101 | QLD |
| Major Sports Facilities Authority (Ms..... | Woolloongabba | 4102 | QLD |
| Mallee Catchment Management Authority | Irymple | 3498 | VIC |
| Managing Natural Resources | Hobart | 7000 | TAS |
| Manufacturing Leaders Group Office Of..... | City East | 4002 | QLD |
| Marine Safety Victoria | Melbourne | 3000 | VIC |
| Maritime Safety Queensland | Brisbane | 4000 | QLD |
| Medical Board Of Queensland | Brisbane | 4001 | QLD |
| Medical Board Of South Australia | North Adelaide | 5006 | SA |
| Medical Board Of The ACT | Braddon | 2612 | ACT |
| Medical Council Of Tasmania | Hobart | 7000 | TAS |
| Medical Practitioners Board Of Victor..... | Melbourne | 3000 | VIC |
| Medical Radiation Science Professiona..... | Lenah Valley | 7008 | TAS |
| Medical Radiation Technologists Board..... | Melbourne | 3001 | VIC |
| Medical Services Committee | Sydney | 2000 | NSW |
| Melbourne & Olympic Parks Trust | Melbourne | 3001 | VIC |
