| Business | Phone |
| Matrix One Inc 5440 Corporate Dr, Troy 48098 | (248) 641-1730 |
| G S Leasing Corp 3290 W Big Beaver Rd 200, Troy 48084 | (248) 649-3260 |
| Hlg Computer Systems Inc 2690 Crooks Rd, Troy 48084 | (248) 244-8980 |
| Oakland Management Svc 360 E Maple Rd M, Troy 48083 | (248) 280-0550 |
| Cartridge World 3620 Rochester Rd, Troy 48083 | (248) 689-1877 |
| Enterprise Software Dev 200 E Big Beaver Rd, Troy 48083 | (248) 524-1621 |
| J & M Intl Corp 1200 Rochester Rd, Troy 48083 | (248) 588-8108 |
| Sterling Software 525 E Big Beaver Rd, Troy 48083 | (248) 528-6500 |
| Agile Software Corp 1740 W Big Beaver Rd, Troy 48084 | (248) 458-2020 |
| Epiphany Software 101 W Big Beaver Rd, Troy 48084 | (248) 687-1316 |
| Magna Systems Intl Inc 3001 W Big Beaver Rd, Troy 48084 | (248) 637-2400 |
| Symantec Corp 100 W Big Beaver Rd, Troy 48084 | (248) 680-6700 |
| Pic Lique Usa Inc 1173 Villa Park Dr, Troy 48085 | (248) 813-8998 |