| Business | Phone |
| Sun Optics Inc 2500 S Saint Louis Ave, Chicago 60623 | (773) 521-7050 |
| Kosmos Optical 111 N Wabash Ave, Chicago 60602 | (312) 726-4090 |
| Laszlo Optical Co 2701 N Mildred Ave, Chicago 60614 | (773) 525-3866 |
| Management Inc 2451 N Lincoln Ave, Chicago 60614 | (773) 244-0909 |
| Vigor Optical Tools & Supplies 4038 N Nashville Ave, Chicago 60634 | (773) 725-4179 |
| Suntime Sunglass Co 7601 S Cicero Ave, Chicago 60652 | (773) 735-4442 |