| Business | Phone |
| American Associated Co 200 Hunters Vw, Roswell 30075 | (770) 649-8828 |
| Thermo Electron Corp 200 Hembree Park Dr # R, Roswell 30076 | (770) 521-4515 |
| Osmetech Inc 235 Hembree Park Dr, Roswell 30076 | (770) 510-4444 |
| Myelotec Inc 4000 Northfield Way 900, Roswell 30076 | (770) 664-4656 |