| Business | Phone |
| New Lenox Township Assessor 1100 S Cedar Rd, New Lenox 60451 | (815) 485-9419 |
| New Lenox Sewage Treatment 301 N Cedar Rd, New Lenox 60451 | (815) 485-7721 |
| New Lenox Township Offices 1100 S Cedar Rd, New Lenox 60451 | (815) 485-6431 |
| New Lenox Twp Office 1090 S Cedar Rd, New Lenox 60451 | (815) 463-8557 |
| New Lenox Village Adm 701 W Haven Ave, New Lenox 60451 | (815) 485-6452 |
| New Lenox Village Ambulance 261 Maple St, New Lenox 60451 | (815) 462-2701 |