| # |
| 1Spatial | 1 Kingsway, Cronulla | 1spatial.com.au | | |
| A |
| ACR Business Systemsnot edited since 2022 | 28 Coombes Drive, Penrith | | | |
| APACMS Australia - Sydney Business IT Servicesnot edited since 2020 | 8 Help Street, Chatswood | apacms.com | +61 2 9477 4007 | |
| Arterialnot edited since 2019 | Barangaroo, no street on record | | | |
| Atlassian | 363 George Street, Barangaroo | | +61 2 9262 1443 | |
| Atlassian (HQ) | 341 George Street, Barangaroo | | +61 2 9262 1443 | |
| AuSites | Bondi Junction, no street on record | ausites.com.au | +61 2 8503 8880 | |
| B |
| Brennan | Barangaroo, no street on record | brennanit.com.au | | |
| C |
| CAD International | 40 Avalon Parade, Avalon Beach | cad.com.au | | |
| Contexti - Big Data Analytics | 155 Clarence Street, Barangaroo | contexti.com | +61 409 468 945 | |
| CyberCX | Barangaroo, no street on record | cybercx.com.au | | |
| D |
| Datadog | Barangaroo, no street on record | datadoghq.com | | |
| DataMesh Group | Barangaroo, no street on record | onedmg.com | | |
| F |
| FUJIFILM Data Management Solutions | Liverpool, no street on record | fujifilm.com | | |
| H |
| Hotline ITnot edited since 2022 | Frenchs Forest, no street on record | hotlineit.com | | |
| I |
| Information Technology Centre | Hobartville, no street on record | | | |
| Interservnot edited since 2021 | 5 George Street, North Strathfield | interserv.com.au | +61 2 8094 1563 | |
| iress | 1 Shelley Street, Barangaroo | iress.com | | |
| K |
| Kaseya | Barangaroo, no street on record | kaseya.com | | |
| L |
| LEAP | Barangaroo, no street on record | leaplegalsoftware.com | | |
| Leonardo.AI | Kirribilli, no street on record | leonardo.ai | | |
| LifeByte Systems | 1 Sussex Street, Barangaroo | lifebyte.io | | |
| M |
| Macquarie Bank | 1 Elizabeth Street, The Rocks | | | |
| Macquarie Technology Group | Barangaroo, no street on record | macquarietechnologygroup.com | | |
| Massive Interactive | 16 Eveleigh Street, Chippendale | | | |
| Microtek | 118 Katoomba Street, Katoomba | microtek.net.au | | |
| Mobile Computer Services Australia | 43-51 College Street, Gladesville | mobilecomputers.com.au | +61 2 9817 0544 | |
| N |
| NCS Australia | Barangaroo, no street on record | ncs.co | | |
| Nerd Alert | West Pennant Hills, no street on record | nerdalert.au | +61 401 404 534 | |
| Nexon Asia Pacific | The Rocks, no street on record | nexon.com.au | | |
| Nexon Asia Pacific | Summer Hill, no street on record | | | |
| P |
| Payam Data Recovery | 5 Rider Boulevard, Rhodes | payam.com.au | | |
| Pexip | Kirribilli, no street on record | | | |
| POS Expert | 182 Forest Road, Hurstville | posexpert.com.au | +61 468 326 298 | |
| Q |
| Q-Ctrl | 93 Shepherd Street, Chippendale | q-ctrl.com | | |
| R |
| RawTech Group | Barangaroo, no street on record | rawtechgroup.au | | |
| Revolution Softwarenot edited since 2022 | Parramatta, no street on record | rev.com.au | +61 2 9647 4444 | |
| S |
| SEO Sydney Experts | 19A Boundary Street, Rushcutters Bay | seosydneyexperts.com.au | +61 2 9360 8514 | |
| Sites By Design Sydney | 2 Level 13 Park Street, Haymarket | sitesbydesign.com.au | | |
| Snowflake | Barangaroo, no street on record | snowflake.com | | |
| Solentivenot edited since 2022 | Darlinghurst, no street on record | solentive.com.au | | |
| Sustainalytics | Barangaroo, no street on record | sustainalytics.com | | |
| T |
| Talcasoftnot edited since 2013 | North Strathfield, no street on record | | | |
| TouchStar | 100 Asquith Street, Silverwater | | | |
| U |
| Umlaut | 133 Alexander Street, Crows Nest | umlautit.com.au | | |
| W |
| Web Maintenance Australia | 84 Pitt Street, The Rocks | webmaintenance.com.au | | |
| Z |
| Zip Conot edited since 2021 | 10 Spring Street, The Rocks | zip.co | | |