| Business | Phone |
| Mcgunn Safe Co 25 Howard Ave, Des Plaines 60018 | (708) 338-4000 |
| Transnational Bankcard Inc 6250 N River Rd 6020, Des Plaines 60018 | (847) 655-1300 |
| Vavilis Associates Ltd 3158 S River Rd 208, Des Plaines 60018 | (847) 803-0220 |
| Xerox 5500 Pearl St, Des Plaines 60018 | (847) 671-2472 |
| Xerox Corporation 200 Howard Ave, Des Plaines 60018 | (847) 297-7610 |