| Business | Phone |
| Guitar Lessons In Your-Home 1980 John St, Thornhill L3T 1Z1 | (905) 707-9753 |
| Klavier Music Studio Inc 175 West Beaver Creek, Thornhill | (905) 707-7778 |
| Rieger, Alison 134 Doncaster Ave, Thornhill L3T 1L3 | (905) 707-1285 |
| Stream Music School 8763 Bayview Ave, Thornhill | (905) 764-6438 |
| Thornhill School Of Music 11 Glen Cameron Rd, Thornhill L3T 4N3 | (905) 881-1848 |