| Allen + Clarke | Unknown | - | - | government contract suppliers |
| ALLEN AND CLARKE POLICY AND REGULATORY SPECIALISTS LIMITED | Registered | NZ Limited Company | 1042598 | government contract suppliers |
| ALLENDALE ELECTRICAL LIMITED | Registered | NZ Limited Company | 486015 | government contract suppliers |
| Allens United Drainage & Earthworks Limited | Unknown | - | - | government contract suppliers |
| ALLFIELDS LIMITED | Registered | NZ Limited Company | 681031 | government contract suppliers |
| Alliance Farmers Produce | Unknown | - | - | councillor interest |
| ALLIANCE FIRE AND SECURITY LIMITED | Registered | NZ Limited Company | 5937495 | government contract suppliers |
| ALLIANCE GROUP LIMITED | Registered | NZ Limited Company | 154786 | councillor interest |
| ALLIANCE INFRASTRUCTURE ADVISORY LIMITED | Removed | NZ Limited Company | 9156747 | government contract suppliers |
| ALLIED ALARMS LIMITED | Registered | NZ Limited Company | 241998 | government contract suppliers |
| ALLIED FIRE LIMITED | Registered | NZ Limited Company | 8179209 | government contract suppliers |
| ALLIED INVESTMENTS LIMITED | Registered | NZ Limited Company | 911877 | government contract suppliers |
| ALLIED MEDICAL LIMITED | Registered | NZ Limited Company | 370360 | government contract suppliers |
| ALLIED PRESS LIMITED | Registered | NZ Limited Company | 149321 | government contract suppliers |
| ALLIED SECURITY LIMITED | Registered | NZ Limited Company | 3016980 | government contract suppliers |
| ALLINGE TRUSTEE LIMITED | Registered | NZ Limited Company | 5636268 | councillor interest |
| ALLLY SOFTWARE LIMITED | Registered | NZ Limited Company | 9245231 | councillor interest |
| ALLOTTED FINANCE LIMITED | Removed | NZ Limited Company | 107973 | government contract suppliers |
| Allscripts | Unknown | - | - | government contract suppliers |
| Alluvium Consulting Australia | Unknown | - | - | government contract suppliers |
| ALMANABE LIMITED | Registered | NZ Limited Company | 1450230 | government contract suppliers |
| ALMO BOOKS LIMITED | Registered | NZ Limited Company | 3182285 | councillor interest |
| ALPHA CONSTRUCTION SERVICES LIMITED | Registered | NZ Limited Company | 2179840 | government contract suppliers |
| ALPHA CONSULTANTS LIMITED | Registered | NZ Limited Company | 1202131 | government contract suppliers |
| ALPHA CORPORATION LIMITED | Registered | NZ Limited Company | 291331 | councillor interest |
| ALPHA GROUP HOLDINGS LIMITED | Registered | NZ Limited Company | 1856347 | political donors |
| ALPHA PIPELINES LIMITED | Removed | NZ Limited Company | 2405209 | government contract suppliers |
| ALPHA RAIL LIMITED | Registered | NZ Limited Company | 3386813 | government contract suppliers |
| ALPHABET LIMITED | Registered | NZ Limited Company | 6022319 | councillor interest |
| Alphafarma | Unknown | - | - | corporate donations |
| ALPHATECH SYSTEMS LIMITED | Registered | NZ Limited Company | 1603334 | government contract suppliers |
| ALPHAXRT LIMITED | Registered | NZ Limited Company | 850923 | government contract suppliers |
| ALPINE AIR THAMES COROMANDEL LIMITED | Removed | NZ Limited Company | 8207351 | councillor interest |
| ALPINE ANGUS NEW ZEALAND LIMITED | Removed | NZ Limited Company | 3851737 | kanoa recipients |
| Alpine Community Development Trust | Registered | Charitable Trust | - | councillor interest |
| ALPINE DESIGN STUDIO LIMITED | Registered | NZ Limited Company | 5892713 | councillor interest |
| Alpine Helicopters/Minaret Station/Southern Lakes Heliski | Unknown | - | - | kanoa recipients |
| ALPS SEED LIMITED | Registered | NZ Limited Company | 1950620 | councillor interest |
| ALRITE STEEL & SERVICES NZ LIMITED | Registered | NZ Limited Company | 1307392 | government contract suppliers |
| ALSCO NZ | Registered | NZ Unlimited Company | 26060 | government contract suppliers |
| ALT NEW ZEALAND LIMITED | Registered | NZ Limited Company | 6976415 | government contract suppliers |
| ALTA CONSULTING LIMITED | Registered | NZ Limited Company | 6253262 | government contract suppliers |
| ALTADMIN LIMITED | Registered | NZ Limited Company | 8327964 | government contract suppliers |
| Altavec | Unknown | - | - | government contract suppliers |
| Altec Aluminium Technik GmbH & Co KGaA | Unknown | - | - | government contract suppliers |
| Altirnao | Unknown | - | - | government contract suppliers |
| ALTISSIMO CONSULTING LIMITED | Registered | NZ Limited Company | 6609816 | government contract suppliers |
| ALTITUDE AGRI LIMITED | Registered | NZ Limited Company | 3484771 | government contract suppliers |
| ALUTECH WINDOWS AND DOORS LIMITED | In Liquidation | NZ Limited Company | 136064 | government contract suppliers |
| ALXEMY BUSINESS SOLUTIONS LIMITED | Registered | NZ Limited Company | 8196577 | government contract suppliers |