| Weel Holdings Pty Ltd | |
| Wel Corporation | South Australia |
| WeMoney Pty Ltd | New South Wales |
| West Coast Online | Western Australia |
| Western Australian Macintosh Users’ Group | Western Australia |
| Western Sydney University | New South Wales |
| Western Time Systems | Western Australia |
| Westmead Breast Cancer Institute | |
| Westnet Pty Ltd | Western Australia |
| Westpac Banking Corporation | New South Wales |
| Westside Media Pty Ltd | |
| Westvic Web | Victoria |
| What Matters Marketing | Queensland |
| WhaTech | Victoria |
| WhatIsMyBrowser.com | Victoria |
| White Chalk Road | Western Australia |
| White IT | Queensland |
| White Knight Web Design | Queensland |
| Whitehat Agency | New South Wales |
| WhiteRhino | Victoria |
| Whois Pty Ltd | New South Wales |
| Wholesale Investor | New South Wales |
| WholeSaleToner Pty Ltd | Queensland |
| Wide Bay IT | Queensland |
| Wigpip | Victoria |
| Wilcom International Pty Ltd | New South Wales |
| Wild Systems P/L | New South Wales |
| Wildcard Innovations Pty Ltd | New South Wales |
| Wildmind Design | New South Wales |
| Wildmoon | Western Australia |
| Wildwood Concepts | |
| Wiliam Pty Ltd | New South Wales |
| Will Mullins | Queensland |
| Wiltronics Research Pty Ltd | Victoria |
| Wimmera Software Development | Victoria |
| Winbasic Pty Ltd | Queensland |
| Windale Technologies Pty Ltd | Queensland |
| Windsorborn | New South Wales |
| WingArc Australia Pty Ltd | Victoria |
| Winner Computers | New South Wales |
| Wireless 2-Way Pty Ltd | New South Wales |
| Wireless Coverage Solutions | New South Wales |
| Wireless Data Solutions | New South Wales |
| Wireline Group | New South Wales |
| WISE Distribution Systems | Victoria |
| Wise Internet | Victoria |
| WiseTech Global | New South Wales |
| Wisr Finance Pty Ltd | New South Wales |
| Within Reach Software Pty Ltd | New South Wales |
| Wizard Corporate Training & Solutions | Australian Capital Territory |