| JOHN RYALL HOLDINGS (NZ) LIMITED | Registered | NZ Limited Company | 1102177 | |
| JOHN RYAN ELECTRICAL LIMITED | Registered | NZ Limited Company | 3768416 | |
| JOHN RYAN LIMITED | Removed | NZ Limited Company | 341611 | |
| JOHN RYAN PLUMBING LIMITED | Registered | NZ Limited Company | 4122738 | |
| JOHN S. HAYES & ASSOCIATES PTY. LIMITED | Registered | Overseas ASIC Company | 9079065 | |
| John Salway McGiven Trust | Unknown | - | - | councillor interest |
| JOHN SCRIMGEOUR LIMITED | Removed | NZ Limited Company | 95503 | |
| JOHN SCRIMGEOUR NOMINEES LIMITED | Removed | NZ Limited Company | 95502 | |
| JOHN TURKINGTON LIMITED | Registered | NZ Limited Company | 599251 | government contract suppliers |
| JOHN VERRYT DESIGN LIMITED | Removed | NZ Limited Company | 968201 | |
| JOHN WATSON ENGINEERING LIMITED | Removed | NZ Limited Company | 173247 | |
| JOHN WILLIAMS ASSOCIATES LIMITED | Removed | NZ Limited Company | 193617 | |
| JOHNNY APPLESEED HOLDINGS LIMITED | Registered | NZ Limited Company | 285074 | kanoa recipients |
| JOHNNY CROWLEY CIVIL & EARTHMOVING LIMITED | Registered | NZ Limited Company | 9012048 | government contract suppliers |
| JOHNS ROADS 2002 LIMITED | Removed | NZ Limited Company | 1200845 | |
| johns supertte & Lotto | Unknown | - | - | government contract suppliers |
| JOHNSON & JOHNSON (NEW ZEALAND) LIMITED | Registered | NZ Limited Company | 45150 | mp interest |
| JOHNSON & JOHNSON MEDICAL NEW ZEALAND LIMITED | Removed | NZ Limited Company | 41571 | government contract suppliers |
| JOHNSON BROS. TRANSPORT (2006) LIMITED | Registered | NZ Limited Company | 1806854 | councillor interest |
| Johnson Controls (Tyco, ADT and Wormald) | Unknown | - | - | government contract suppliers |
| JOHNSON CONTROLS NZ LIMITED | Removed | NZ Limited Company | 131256 | government contract suppliers |
| JOHNSON FORESTRY SERVICES LIMITED | Registered | NZ Limited Company | 1829260 | government contract suppliers |
| Johnson Health Tech Pty Ltd (MATRIX Fitness Equip) | Unknown | - | - | government contract suppliers |
| JOHNSON PARTNERS LIMITED | Registered | NZ Limited Company | 3386392 | government contract suppliers |
| Johnson Partners Limited (JPL) | Unknown | - | - | government contract suppliers |
| Johnsonville Community Association | Registered | Incorporated Society | - | councillor interest |
| Johnsonville Youth Grants Trust | Registered | Charitable Trust | - | councillor interest |
| JOHNSTAFF PROJECTS (NZ) PTY LIMITED | Registered | NZ Limited Company | 5408001 | government contract suppliers |
| JOHNSTON DRAINAGE AND CONTRACTING LIMITED | Registered | NZ Limited Company | 1641100 | government contract suppliers |
| Joint Regional Economic Development Committee | Unknown | - | - | councillor interest |
| Joint Steering Group with Manawatū | Unknown | - | - | councillor interest |
| JOJAHAWA LIMITED | Registered | NZ Limited Company | 6868776 | councillor interest |
| JOLLY EARTHWORKS LIMITED | Registered | NZ Limited Company | 1669588 | government contract suppliers |
| JON LAMONTE CONSULTING LIMITED | Registered | NZ Limited Company | 8993112 | |
| JON MITCHELL EMERGENCY MANAGEMENT LIMITED | Removed | NZ Limited Company | 3754537 | |
| JONAS LEISURE LIMITED | Registered | NZ Limited Company | 1899004 | government contract suppliers |
| Jonathan Moon Trust | Unknown | - | - | mp interest |
| Jonathan Robinson | Registered | Sole Trader | - | government contract suppliers |
| JONES & COOPER (1995) LIMITED | Registered | NZ Limited Company | 672685 | government contract suppliers |
| JONES & COOPER LIMITED | Registered | NZ Limited Company | 156733 | government contract suppliers |
| JONES LANG LASALLE LIMITED | Registered | NZ Limited Company | 230948 | government contract suppliers |
| JORDANISTAN PROPCO LIMITED | Registered | NZ Limited Company | 7769696 | councillor interest |
| Jordanistan PropCo Ltd, Simpson & Simpson Ltd | Unknown | - | - | councillor interest |
| JORTAN LIMITED | Removed | NZ Limited Company | 8218565 | councillor interest |
| JOSEPH & ASSOCIATES LIMITED | Registered | NZ Limited Company | 2333089 | government contract suppliers |
| JOUBERT PILAT LIMITED | Registered | NZ Limited Company | 8432782 | government contract suppliers |
| JOYCE VENTURES LIMITED | Registered | NZ Limited Company | 6046727 | councillor interest |
| Joyce Ventures Ltd, Thai Charm Ltd | Unknown | - | - | councillor interest |
| JP & SF ROBERTS | Registered | Partnership | - | government contract suppliers |
| JP LIMITED | Registered | NZ Limited Company | 4233198 | government contract suppliers |
