| Business | Phone |
| Oil-Dri Corp Of America 410 N Michigan Ave 400, Chicago 60611 | (312) 321-1515 |
| Keller Orthotics Inc 2451 N Lincoln Ave, Chicago 60614 | (773) 929-4700 |
| Scheck & Siress Orthotics Inc 2551 N Clark St 200, Chicago 60614 | (773) 472-3663 |
| Safe-Hit 35 E Wacker Dr 1100, Chicago 60601 | (312) 467-6750 |
| Quixote Transportation Tech 35 E Wacker Dr, Chicago 60601 | (312) 467-6755 |
| Foot Fetish 1900 S Clark St, Chicago 60616 | (312) 842-4584 |