| District Alcohol and Licensing Committee | Unknown | - | - | councillor interest |
| District Licencing Committee | Unknown | - | - | councillor interest |
| District Licensing Committee | Unknown | - | - | councillor interest |
| DIVA CATERING LIMITED | Removed | NZ Limited Company | 8074360 | government contract suppliers |
| DIVE HARD LIMITED | Registered | NZ Limited Company | 2353574 | government contract suppliers |
| Diversity Counselling New Zealand | Registered | Charitable Trust | - | government contract suppliers |
| Diversity New Zealand Ltd | Unknown | - | - | government contract suppliers |
| Diversity Works New Zealand | Unknown | - | - | corporate donations |
| Divine River NZ | Registered | Charitable Trust | - | councillor interest |
| Divita Medical Depositary | Unknown | - | - | councillor interest |
| DIXON & DUNLOP LIMITED | Registered | NZ Limited Company | 35708 | government contract suppliers |
| DIZHUR CONSULTING LIMITED | Registered | NZ Limited Company | 6870954 | government contract suppliers |
| DJ & BJ Chamberlain Family Trust | Unknown | - | - | councillor interest |
| DJ & CJ Wells Family Trust | Unknown | - | - | councillor interest |
| DJ Wilson G Keen Ltd | Unknown | - | - | government contract suppliers |
| DJMONTY HOLDINGS LIMITED | Registered | NZ Limited Company | 2359669 | government contract suppliers |
| DJO GLOBAL PTY LTD | Registered | Overseas ASIC Company | 4743759 | government contract suppliers |
| DJY DESIGN LIMITED | Registered | NZ Limited Company | 5207161 | government contract suppliers |
| DK Hislop Family Trust | Unknown | - | - | councillor interest |
| DKJ WELDING 2025 LIMITED | Registered | NZ Limited Company | 9294121 | government contract suppliers |
| DKL PROJECTS LIMITED | Registered | NZ Limited Company | 3485293 | government contract suppliers |
| DKSH NEW ZEALAND LIMITED | Registered | NZ Limited Company | 56998 | government contract suppliers |
| DLA ARCHITECTS LIMITED | Registered | NZ Limited Company | 2224674 | government contract suppliers |
| DLA PIPER NEW ZEALAND LIMITED | Registered | NZ Limited Company | 960042 | government contract suppliers |
| DLM ARCHITECTS LIMITED | Registered | NZ Limited Company | 5497923 | government contract suppliers |
| DMAC Homes Limited TA Friday Homes | Unknown | - | - | government contract suppliers |
| DMCI | Unknown | - | - | councillor interest |
| DML CONSTRUCTION LIMITED | Registered | NZ Limited Company | 5602211 | government contract suppliers |
| DNA PROPERTY (WAIKATO) LIMITED | Registered | NZ Limited Company | 5735470 | government contract suppliers |
| DNATURE DIAGNOSTICS & RESEARCH LIMITED | Registered | NZ Limited Company | 2351930 | government contract suppliers |
| DNG CONSTRUCTION LIMITED | Registered | NZ Limited Company | 5738607 | government contract suppliers |
| DNV NEW ZEALAND LIMITED | Registered | NZ Limited Company | 661417 | government contract suppliers |
| DOBBYN BUILDERS LIMITED | Registered | NZ Limited Company | 399488 | government contract suppliers |
| DOBSONS HOLDINGS LIMITED | Removed | NZ Limited Company | 180257 | government contract suppliers |
| DOBSONS REFRIGERATION AND ELECTRICAL (2000) LIMITED | Registered | NZ Limited Company | 958633 | government contract suppliers |
| DOC LIVESTOCK LIMITED | Registered | NZ Limited Company | 1507168 | government contract suppliers |
| DODGE CONTRACTING LIMITED | Registered | NZ Limited Company | 466356 | government contract suppliers |
| DODUNSKI FORESTRY SERVICES LIMITED | Registered | NZ Limited Company | 5793252 | government contract suppliers |
| Dog Island Motu Piu Trust | Registered | Charitable Trust | - | mp interest |
| Dog Island Motu Piu Trust (charitable Trust, Trustee) | Unknown | - | - | mp interest |
| Dolphin and Albatross Encounter | Unknown | - | - | kanoa recipients |
| DOLPHIN ELECTRONICS LIMITED | Removed | NZ Limited Company | 650921 | government contract suppliers |
| Domat Omnia Virtus Trust | Unknown | - | - | councillor interest |
| DOMINGO PROPERTY LIMITED | Registered | - | - | |
| Dominic Lane | Unknown | - | - | government contract suppliers |
| DOMINION CONSTRUCTORS LIMITED | Registered | NZ Limited Company | 2268997 | government contract suppliers |
| DOMO-TECHNICA PTY LIMITED | Registered | Overseas ASIC Company | 6454452 | government contract suppliers |
| DON HAWINKELS BUILDERS LIMITED | Removed | NZ Limited Company | 1494767 | government contract suppliers |
| DON JAMIESON ARCHITECTURE LIMITED | Registered | NZ Limited Company | 1124083 | government contract suppliers |
| Don't burn Waipa | Unknown | - | - | councillor interest |
