| Business | Phone |
| American Analytical Chemistry 711 Parkland Ct, Champaign 61821 | (217) 352-6060 |
| Danville Pathology Diagnostic 940 Waterview Way L, Champaign 61822 | (217) 446-4599 |
| Ruhl & Assoc 1210 Lancaster Dr, Champaign 61821 | (217) 355-7800 |
| Spectral Data Svc 818 Pioneer St, Champaign 61820 | (217) 352-7084 |
| Isotech Laboratories Inc 1308 Parkland Ct, Champaign 61821 | (217) 398-3490 |