| ALLSPOKE | |
| Alpha & Omega Computers | Manawatu-Wanganui |
| Alpha Centauri Software Ltd | Nelson |
| Alpha Educational Institute | |
| Alphabet Soup | Auckland |
| AlphaNZ | Wellington |
| Alphero | |
| Altered Ego Design Ltd | Wellington |
| Amaroq Therapeutics | |
| Ampersand Technologies | |
| Amtrax Ltd | Auckland |
| Anacrusis Ltd | |
| Andler Technologies | |
| Andrew Hedges | Auckland |
| Angel Association New Zealand | Auckland |
| Angel HQ | Wellington |
| Angle Ltd | Auckland |
| Annett Computer Company | Auckland |
| Anngow Marketing | Otago |
| Antibody Software | Bay of Plenty |
| Anyware Computer Accessories New Zealand | Auckland |
| Anyware Ltd | Wellington |
| Aotea Web Hosting | Wellington |
| Aotearoa Web | |
| Aotearoa Web Design | Canterbury |
| Apex Digital Ltd | Taranaki |
| Applicable Ltd | Auckland |
| Applogix Ltd | |
| AppMani | Manawatu-Wanganui |
| Approval Donkey | Auckland |
| AppThat | Bay of Plenty |
| Aquila Technology Ltd | Wellington |
| Ara Institute of Canterbury | Canterbury |
| ARANZ Medical Ltd | |
| ArcAngels, Inc. | Auckland |
| Ardito Corporate Training | Waikato |
| Arise Software Ltd | Waikato |
| Arkadvance | Auckland |
| Aroa Biosurgery Ltd | Auckland |
| Arotec Diagnostics | Wellington |
| Arteria Creative | Auckland |
| Artificial Intelligence Researchers Association | |
| Ascona | Waikato |
| ASoft Ltd | Auckland |
| ASPect Information Solutions Ltd | Hawke's Bay |
| Aspire IT Services | |
| Aspire2 International | |
| Assistive Technology | |
| Assura Software | Canterbury |
| Assurity | Auckland |