| Business | Phone |
| Hawes Engineers Inc 1915 Sunnydale Ln, Lisle 60532 | (630) 416-0158 |
| James J Benes & Assoc Inc 950 Warrenville Rd, Lisle 60532 | (630) 719-7570 |
| Koziol Engineering Svc 1709 Ogden Ave, Lisle 60532 | (630) 435-8686 |
| Mehta Engineering Ltd 3033 Ogden Ave 113, Lisle 60532 | (630) 357-1822 |
| Morris Engineering Inc 5100 Lincoln Ave 100, Lisle 60532 | (630) 271-0770 |
| Patrick Engineering Inc 4970 Varsity Dr, Lisle 60532 | (630) 795-7200 |
| Pcb Solutions 570 Smith Rd, Lisle 60532 | (630) 852-0684 |
| Quality Environmental Sltns 4300 Commerce Ct, Lisle 60532 | (630) 724-1517 |
| Siebert Engineers Inc 4951 Indiana Ave, Lisle 60532 | (630) 268-0020 |
| Vastine Engineering Co Inc 4712 Main St, Lisle 60532 | (630) 737-0939 |
| Wilbur Smith Assoc 801 Warrenville Rd 260, Lisle 60532 | (630) 434-8111 |
| Yankee Automic Electric Co 3060 Ogden Ave, Lisle 60532 | (630) 428-0632 |