| HY | HY ACCOUNTANTS LIMITED | HY TRADING LIMITED |
| HY- | HY-CLASS PAINT & PANEL LIMITED | HY-CLOR (AUSTRALIA) PTY LTD |
| HY2 | HY2016 TRUSTEE LIMITED | HY2016 TRUSTEE LIMITED |
| HY6 | HY689 LIMITED | HY689 LIMITED |
| HYA | HYA FOOD LIMITED | HYATT & SONS LIMITED |
| HYB | HYBELL FARMING LIMITED | HYBRIS LIMITED |
| HYC | HYCAR LIMITED | HYCOM SOLUTIONS LIMITED |
| HYD | HYDAC LIMITED | HYDROZONE LIMITED |
| HYE | HYENA HOLDINGS LIMITED | HYETT ENTERPRISES LIMITED |
| HYF | HYFLO LIMITED | HYFUSE MANUFACTURING LIMITED |
| HYG | HYGATE LIMITED | HYGRO PRODUCE NZ LIMITED |
| HYH | HYH LIMITED | HYH LIMITED |
| HYJ | HYJACK HOLDINGS LIMITED | HYJACK HOLDINGS LIMITED |
| HYK | HYKLENE LIMITED | HYKLENE LIMITED |
| HYL | HYLAMN HOLDINGS LIMITED | HYLY LIMITED |
| HYM | HYMAC NURSERIES LIMITED | HYM NZ TRUSTEE LIMITED |
| HYN | HYND CHRISTIE LIMITED | HYN LIMITED |
| HYO | HYOSHI NEW ZEALAND LIMITED | HYOUMANKIND LIMITED |
| HYP | HYPA4M LIMITED | HYPW LIMITED |
| HYR | HYRE LIMITED | HYRUM HOLDINGS LIMITED |
| HYS | HYSLOP AND SONS PROPERTIES LIMITED | HYSTERIC PICTURES LIMITED |
| HYT | HYTAREMO LIMITED | HYTRIM - SHELTER TRIMMING LIMITED |
| HYU | HYUN DAE DEER PRODUCTS LIMITED | HYUNDAI MOTORS NEW ZEALAND LIMITED |
| HYV | HYVAN ANAESTHESIA LIMITED | HYVE SOLUTIONS NEW ZEALAND LIMITED |
| HYW | HYWAI INVESTMENTS LIMITED | HYWYND NOMINEES LIMITED |
| HYX | HYX INVESTMENT LIMITED | HYX INVESTMENT LIMITED |
| HYY | HYY LIMITED | HYY LIMITED |
| HYZ | HYZ CONSTRUCTION LIMITED | HYZY LIMITED |