| Business | Phone |
| Il Geological Survey Library 615 E Peabody Dr, Champaign 61820 | (217) 333-5110 |
| Illinois Natural History Srvy 1816 S Oak St A, Champaign 61820 | (217) 333-6880 |
| Labor & Industrial Reltns Libr 504 E Armory Ave, Champaign 61820 | (217) 333-2380 |
| News-Gazette Library 15 E Main St, Champaign 61820 | (217) 351-5228 |
| Waste Management Research Ctr 1 Hazelwood Dr, Champaign 61820 | (217) 333-8957 |
| Water Survey Rsch Ctr Library 2204 Griffith Dr, Champaign 61820 | (217) 333-4956 |
| Lincoln Trail Libraries System 1704 Interstate Dr, Champaign 61822 | (217) 352-0047 |
| Us Army Research Lab Library 2902 Newmark Dr, Champaign 61822 | (217) 373-7217 |