| Business | Phone |
| Lee William Harris & Co 410 S Michigan Ave, Chicago 60605 | (312) 786-0459 |
| William Harris Lee 410 S Michigan Ave, Chicago 60605 | (312) 786-0718 |
| Lyon & Healy Harps 168 N Ogden Ave, Chicago 60607 | (312) 786-1881 |
| Slug Percussion Products Chicago 60607 | (312) 432-0553 |
| Lewis Orchestral Horns 1770 W Berteau Ave, Chicago 60613 | (773) 348-1182 |
| Music Express 2752 W Fullerton Ave, Chicago 60647 | (773) 384-6349 |
| Venus Harp Co 3868 W Grand Ave, Chicago 60651 | (773) 278-4238 |