| Business | Phone |
| A Private Practice Music 6754 N Ionia Ave, Chicago 60646 | (773) 775-4065 |
| Allan Musical Productions Inc Chicago 60611 | (312) 335-1000 |
| Artemis Singers 311 W Washington St, Chicago 60606 | (773) 764-4465 |
| Assn For The Advancement-Mscns 410 S Michigan Ave, Chicago 60605 | (312) 922-1900 |
| Wayne R Fisher 2913 W Leland Ave, Chicago 60625 | (773) 777-9357 |
| Michele Denotter 941 W Carmen Ave, Chicago 60640 | (773) 334-8777 |
| Jaime Cervantes 2702 W 25th St, Chicago 60608 | (773) 762-3213 |
| Bradley Young Entertainment 4668 N Manor Ave, Chicago 60625 | (773) 583-2100 |
| Fulcrum Point New Music 359 W Belden Ave, Chicago 60614 | (773) 296-6016 |
| Flamenco Guitarist 2740 N Pine Grove Ave, Chicago 60614 | (773) 914-4140 |
| Chicago Acappella 2936 N Southport Ave, Chicago 60657 | (773) 755-1628 |
| Chicago Concert Artists 431 S Dearborn St 1503, Chicago 60605 | (312) 663-6434 |
| Eden Entertainment 2843 N Oak Park Ave, Chicago 60634 | (773) 237-0195 |
| Chicago Sacred Harp Singers 1807 W North Ave, Chicago 60622 | (773) 276-4277 |
| David Rothstein Music 1948 W Fletcher St, Chicago 60657 | (773) 244-1239 |
| Conscience Music Chicago 60607 | (773) 250-7771 |
| Cowjazz 1233 W Columbia Ave, Chicago 60626 | (773) 764-4144 |