| A Cappella Showcase | Waterdown |
| Burlington Civic Chorale, Choir Group | Burlington |
| Burlington Symphony Orchestra | Burlington |
| Burlington Welsh Ladies Chorus | Burlington |
| Burlington. Recreation, Community and Culture, Burlington Music Centre | Burlington |
| Canadian Croatian Choral Society | Oakville |
| Circle of Harmony Chorus | Oakville |
| Georgetown Bach Chorale | Georgetown |
| Intrada Brass | Oakville |
| Masterworks of Oakville Chorus & Orchestra | Oakville |
| Milton Choristers | Milton |
| Milton Concert Band | Milton |
| Milton Philharmonic Orchestra | Milton |
| Oakville Symphony | Oakville |
| Oakville Vocal Arts Festival | Oakville |
| Sound of Music Festival | Burlington |
| Southern Ontario Lyric Opera | Halton Region |
| Tempus Choral Society | Oakville |
| Top Hat Marching Orchestra | Burlington |
