| Business | Phone |
| Edwardsville Highway Comm Sunset Ave, Glen Carbon 62034 | (618) 288-9331 |
| Glen Carbon Building Adm 151 N Main St, Glen Carbon 62034 | (618) 288-7502 |
| Glen Carbon Minor Park Bldg Main St & Collinsville Stamp;, Glen Carbon 62034 | (618) 288-1215 |
| Glen Carbon Village Clerk 151 N Main St, Glen Carbon 62034 | (618) 288-1200 |