| Business | Phone |
| Absolute Music Inc 727 S Dearborn St 312, Chicago 60605 | (312) 939-4800 |
| Artists Events & Entertainment 512 N Mcclurg Ct, Chicago 60611 | (312) 832-1100 |
| Brazil Brazilian Music 5907 N Fairfield Ave, Chicago 60659 | (773) 728-7144 |
| Buttons N Keys Accordion Svc 6422 N Wayne Ave, Chicago 60626 | (773) 465-0028 |
| Chicago Chamber Orchestra 332 S Michigan Ave # 1143, Chicago 60604 | (312) 922-5570 |
| Chicago Sinfonietta 70 E Lake St 226, Chicago 60601 | (312) 236-3681 |
| Chicago Symphony Chorus 220 S Michigan Ave, Chicago 60604 | (312) 294-3430 |
| Chicago Symphony Orchestra 67 E Adams St, Chicago 60603 | (312) 294-3160 |
| Dick Judson Orchestras 702 W Wellington Ave, Chicago 60657 | (773) 327-7824 |
| Civic Orchestra Of Chicago 220 S Michigan Ave, Chicago 60604 | (312) 294-3420 |
| Concertante Di Chicago 3301 W Cuyler Ave, Chicago 60618 | (312) 346-9006 |
| Mariachi Mexico Vivo 2014 S Racine Ave, Chicago 60608 | (312) 510-6013 |
| Mariachi Herradura 3651 w 31st, Chicago 60623 | (815) 608-8877 |