| Business | Phone |
| Benton & Assoc Inc 1970 W Lafayette Ave, Jacksonville 62650 | (217) 245-4146 |
| Casler Surveying & Engineering 611 E State St, Jacksonville 62650 | (217) 243-1203 |
| Sires Consulting Inc 336 W Pennsylvania Ave, Jacksonville 62650 | (217) 243-8069 |
| Hutchison Engineering Inc 1801 W Lafayette Ave, Jacksonville 62650 | (217) 245-7164 |