| AA Tourism Australia | Tourist Attractions and Services | Noble Park | 3174 | VIC |
| AAA Tourism | Tourist Attractions and Services | Melbourne | 3000 | VIC |
| AAA Tourism Pty Ltd | Tourist Attractions and Services | Broadway | 2007 | NSW |
| AAD Tourism Solutions | Tourist Attractions and Services | Shoalhaven Heads | 2535 | NSW |
| Adelaide Convention Tourism Authority | Convention and Seminar Facilities | Adelaide | 5001 | SA |
| Adelaide Hills Tourism | Tourist Attractions and Services | Stirling | 5152 | SA |
| Adelaide Hills Tourism Information Ce... | Tourist Attractions and Services | Hahndorf | 5245 | SA |
| Adelaide Hospitality & Tourism School | Training and Development | Adelaide | 5000 | SA |
| Advance Tourism | Management Consultants | Mount Waverley | 3149 | VIC |
| AFTA Travel & Tourism College | Universities and TAFEs | Brisbane | 4000 | QLD |
| AFTA TRAVEL & TOURISM COLLEGE NSW | Training and Development | Bondi Junction | 2022 | NSW |
| AFTA Travel & Tourism College NSW | Training and Development | Surry Hills | 2010 | NSW |
| Alaska Division of Tourism | Tourist Attractions and Services | Milsons Point | 2061 | NSW |
| Alberta Tourism | Tourist Operators | Milsons Point | 2061 | NSW |
| American Tourism Information Service | Tourist Attractions and Services | Marrickville | 2204 | NSW |
| Argus Apartments Darwin | Accommodation, Business Services, Hotels, Mo... | Darwin | 800 | NT |
| Arjay Tourism Marketing | Tourist Attractions and Services | Preston | 3072 | VIC |
| Atithivoyages Pvt. Ltd. | Tourism | New Delhi, Delhi | 1100 | NT |
| Austo Tourism Resources | Travel Services | Cabramatta | 2166 | NSW |
| Australasian Corporate Tourism | Marketing Services | North Sydney | 2060 | NSW |
