| TechEquipt | New South Wales |
| TechForce Services | |
| TechInnovate | Victoria |
| Techne R&D Holdings Ltd | |
| Technelysium | Queensland |
| Technetics Consulting Pty Ltd | Victoria |
| Technetics Data Recovery Pty Ltd | Victoria |
| TechNgraphic | |
| Technic Pty Ltd | Tasmania |
| Technica | Queensland |
| Technicalities | Victoria |
| Techniche APAC Pty Ltd | Queensland |
| Technisun | |
| Technium Services Pty Ltd | Victoria |
| Techno Impact Pty Ltd | New South Wales |
| Technogeek | Queensland |
| Technology Industry Association | Western Australia |
| Technology Leads Pty Ltd | New South Wales |
| Technology Matters | Victoria |
| Technology Park Adelaide | South Australia |
| Technology Park Bentley | Western Australia |
| Technology Park Bentley WA | Western Australia |
| TechnologyFX | New South Wales |
| TechnologyOne Ltd | |
| TechnoSource Australia | Victoria |
| Technowand | |
| TechPath Pty Ltd | Queensland |
| TechPerth | |
| Techrific Australia | Victoria |
| TechSols | Queensland |
| TECHSPO Melbourne | |
| TECHSPO Sydney | |
| TechTiger | Western Australia |
| TECHTiQ | |
| Techwell | Queensland |
| Tecmyer | |
| Tectite.com | Victoria |
| TEKCAT Australia | Victoria |
| Teko Corporation Pty Ltd | New South Wales |
| Teksmobile | New South Wales |
| Tekspace Pty Ltd | Victoria |
| TekSupport Pty Ltd | Victoria |
| Tekt Industries | |
| Tektown | |
| Tekwizard Technology | New South Wales |
| Tekwizard Web Hosting | New South Wales |
| Telecommunications Industry Ombudsman | Victoria |
| TelephonesOnline Pty Ltd | Victoria |
| Teleresources Engineering Pty Ltd | New South Wales |
| Teletech Pty Ltd | Victoria |