- Axion Control Systems Pty Ltd 1U56/ 140 Chesterville Rd, Cheltenham, VIC
- Robinson Engineering Consultants 233 Wangara St, Cheltenham, VIC
- Analytico Pty Ltd 310 Victor Ave, Cheltenham, VIC
- The Thinking Chip Pty Ltd 4Unit 11/ 1253 Nepean Hwy, Cheltenham, VIC
- Ainley Engineering Projects Pty Ltd 5107 Tulip St, Cheltenham, VIC
- Health Promotion Resources 6S 9 296 Bay Rd, Cheltenham, VIC
- Ponams Precision Machining Pty Ltd 734 Viking Crt, Cheltenham, VIC
- Areous Energy Efficiency 8275 Charman Rd, Cheltenham, VIC
- Asia Pacific Consultants Pty Ltd 91265 Nepean Hwy, Cheltenham, VIC
- Ausdel Pty Ltd 1021 Taunton Drv, Cheltenham, VIC
- BDD Engineering Pty Ltd 1133 Wangara Rd, Cheltenham, VIC
- Johnston Brothers Engineering Pty Ltd 122 Taunton Drv, Cheltenham, VIC
- McCallum General Engineering 13Unit 2 31- 33 Kylie Pl, Cheltenham, VIC
- Stefan Engineering Pty Ltd 147 Mackenzie St, Cheltenham, VIC
- Clarinox Technologies Pty Ltd 15Suite 28/ 296 Bay Rd, Cheltenham, VIC
- Daley Electronics Pty Ltd 1684 Keys Rd, Cheltenham, VIC
- HM Precision Grinding Service Pty Ltd 1724 Kembla St, Cheltenham, VIC