| A |
| A+M+S | L 1 / 86 Mokoia Road, Birkenhead | | +64 275 414 846 | |
| ABB Group | 83 Grafton Road, Grafton | abb.global | | |
| Abel Software | 19 Omega Street, Unsworth Heights | | | |
| Acclaim | Unsworth Heights, no street on record | | | |
| Accordonot edited since 2018 | 15 Huron Street, Takapuna | | +64 9 447 1537 | |
| Aotea | Devonport, no street on record | aotea.co.nz | | |
| Automation Associatesnot edited since 2021 | 7 College Hill, Saint Marys Bay | | | |
| B |
| Belton IT Nexus | Penrose, no street on record | belton.co.nz | +64 9 974 2379 | |
| C |
| Cin7 | 7 City Road, Newton | | | |
| D |
| Digital Hothouse | 69-89 Gulf Harbour Drive, Gulf Harbour | digitalhothouse.co.nz | | |
| Dynamic Gift | 22 McColl Street, Newmarket | dynamicgift.co.nz | +64 9 524 0051 | |
| F |
| Flintfox | 7 Omega Street, Unsworth Heights | | | |
| G |
| Gentrack | Saint Marys Bay, no street on record | gentrack.com | | |
| Goodhere Branding Web Design | 2/51 Quinns Road, Parau | goodhere.nz | +64 9 391 4078 | |
| H |
| healthAlliancenot edited since 2019 | Penrose, no street on record | | | |
| K |
| Kilimanjaro Consulting | 16 Hugo Johnston Drive, Southdown | kilimanjaro-consulting.com | 0800 436 774 | |
| M |
| Mace IT services | 3053 Great North Road, New Lynn | maceit.co.nz | 0800 622 348 | |
| N |
| Navico Group | Schnapper Rock, no street on record | navicogroup.com | +64 9 925 4500 | |
| O |
| Omron Robotics | L 1 / 65 Boston Road, Eden Terrace | | | |
| Orion Healthnot edited since 2022 | 181 Grafton Road, Eden Terrace | orionhealth.com | | |
| P |
| Power Business Systemsnot edited since 2021 | 45 O'Rorke Road, Penrose | | | |
| R |
| Rakon | 8 Sylvia Park Road, Southdown | rakon.co.nz | | |
| S |
| SaferCities | 49 Main Highway, Ellerslie | safercities.com | +64 9 281 9777 | |
| SAS IT | 520 Great South Road, Greenlane | | | |
| Simpronot edited since 2021 | Rosebank Peninsula, no street on record | | | |
| Softcloud | Unsworth Heights, no street on record | | | |
| T |
| Theta | Level 2, 8-10 Beresford Square, Newton | theta.co.nz | +64 9 356 7227 | |
| TT Globalnot edited since 2022 | 11 Binsted Road, New Lynn | | | |
| W |
| Wherescapenot edited since 2021 | Mechanics Bay, no street on record | | | |
| X |
| Xero | 96 Saint Georges Bay Road, Parnell | | | |
| Xtracta Limitednot edited since 2021 | 45 O'Rorke Road, Penrose | xtracta.com | | |