| Advanced Air Conditioning Ltd | Registered | NZ Limited Company | - | government contract suppliers |
| ADVANCED BUILDING & CONSTRUCTION LIMITED | Removed | NZ Limited Company | 6473113 | government contract suppliers |
| ADVANCED BUILDING SERVICES LIMITED | Registered | NZ Limited Company | 2466868 | government contract suppliers |
| ADVANCED CAREER EDUCATION LIMITED | Registered | NZ Limited Company | 1969984 | government contract suppliers |
| ADVANCED DAIRY BARNS LIMITED | Registered | NZ Limited Company | 5806153 | government contract suppliers |
| ADVANCED INNOVATION LIMITED | Registered | NZ Limited Company | 5508207 | government contract suppliers |
| ADVANCED MAINTENANCE LIMITED | Registered | NZ Limited Company | 622294 | government contract suppliers |
| ADVANCED MANAGEMENT SYSTEMS LIMITED | Registered | NZ Limited Company | 105373 | government contract suppliers |
| Advanced Micro Devices | Unknown | - | - | councillor interest |
| ADVANCED SAFETY LIMITED | Registered | NZ Limited Company | 6216147 | government contract suppliers |
| ADVANCED SECURITY GROUP (WGTN) LIMITED | Registered | NZ Limited Company | 2250055 | government contract suppliers |
| Advanced Security Group (WKTO) Limited | Unknown | - | - | government contract suppliers |
| Advanced Security Group Ltd | Unknown | - | - | government contract suppliers |
| ADVANCED SECURITY NZ LIMITED | Registered | NZ Limited Company | 1807131 | government contract suppliers |
| ADVANCED STORAGE PLUS LIMITED | Registered | NZ Limited Company | 6564832 | councillor interest |
| ADVANTAGE LIMITED | Registered | NZ Limited Company | 321232 | government contract suppliers |
| ADVANTAGE SOUTH LIMITED | Registered | NZ Limited Company | 3428174 | government contract suppliers |
| Adventure Development | Unknown | - | - | government contract suppliers |
| Adventure Quenches | Unknown | - | - | councillor interest |
| ADVICEKIWI LIMITED | Registered | NZ Limited Company | 7375616 | councillor interest |
| Advisian | Unknown | - | - | government contract suppliers |
| Advisory Committee Regional Environment | Unknown | - | - | councillor interest |
| AE HEMMINGS LIMITED | Registered | NZ Limited Company | 8133740 | government contract suppliers |
| AE Mortgages & Insurance | Unknown | - | - | councillor interest |
| AECOM NEW ZEALAND LIMITED | Registered | NZ Limited Company | 114583 | government contract suppliers |
| Aecor Limited ta Inspect House | Unknown | - | - | government contract suppliers |
| AEGIS GROUP LIMITED | Removed | NZ Limited Company | 1119091 | iwi subsidiaries |
| AEGIS RETIREMENT LIVING LIMITED | Registered | NZ Limited Company | 7821816 | iwi subsidiaries |
| AEON CONSTRUCTION LIMITED | In Liquidation | NZ Limited Company | 8393803 | government contract suppliers |
| Aerial Surveys Limited | Unknown | - | - | government contract suppliers |
| AEROSPREAD LIMITED | Registered | NZ Limited Company | 1190559 | government contract suppliers |
| AEROSPREAD TECHNOLOGIES LIMITED | Registered | NZ Limited Company | 6326148 | government contract suppliers |
| AESCULUS LIMITED | Registered | NZ Limited Company | 5872949 | councillor interest |
| AETHER PACIFIC PHARMACEUTICALS LIMITED | In Liquidation | NZ Limited Company | 7135337 | councillor interest |
| AFA'SA EDUCATION LIMITED | Registered | NZ Limited Company | 7447116 | government contract suppliers |
| AFFINITY EMPLOYER SERVICES LIMITED | Registered | NZ Limited Company | 2290511 | government contract suppliers |
| AFFINITY MEDICAL IMAGING LIMITED | Registered | NZ Limited Company | 8368027 | government contract suppliers |
| AFFIRMING WORKS LIMITED | Registered | NZ Limited Company | 1178536 | government contract suppliers |
| AFFORDABLE DRAINAGE LIMITED | Registered | NZ Limited Company | 4443051 | government contract suppliers |
| AFFORDABLE FENCES AND LANDSCAPES LIMITED | Registered | NZ Limited Company | 5393522 | government contract suppliers |
| AFI LIMITED | Removed | NZ Limited Company | 940973 | government contract suppliers |
| African Community Council of Wellington | Unknown | - | - | councillor interest |
| AFTERNOON GROUP LIMITED | Registered | NZ Limited Company | 6617373 | councillor interest |
| AG CHALLENGE LIMITED | Registered | NZ Limited Company | 557511 | government contract suppliers |
| AG First Engineering (Waikato) Ltd | Unknown | - | - | government contract suppliers |
| AG Hoffman Ltd | Unknown | - | - | government contract suppliers |
| AG IN ACTION LIMITED | Removed | NZ Limited Company | 3025581 | councillor interest |
| Ag Proud NZ | Registered | Charitable Trust | - | councillor interest |
| Age Concern Auckland Inc | Unknown | - | - | government contract suppliers |
| Age Concern Canterbury | Registered | Incorporated Society | - | councillor interest |