| Aces of Harmony Chorus | Peterborough |
| Achill Choral Society, Caledon | Caledon (Town of) |
| Askennonia Senior Centre | Midland |
| Barrie Concert Band | Barrie |
| Barrie Pipes and Drums | Barrie |
| Barrie Soundwaves, No Physical Address | Barrie |
| Barrie Thornton Fiddle Club | Essa |
| Beaver Valley Concert Band | Collingwood |
| Beinn Gorm Highlanders Pipes and Drums | Clearview (Simcoe County) |
| BlueSky Bluegrass Club | Simcoe |
| Bravado Show Choir | Barrie |
| Cellar Singers (The) | Orillia |
| County Chordsmen, Barrie Barbershop Harmony Society | Barrie |
| Festival Sounds Chorus | Stratford |
| Georgian Bay Symphony | Owen Sound |
| Glowing Hearts Charity, Hillcrest Public School, Simcoe Youth Choir | Barrie |
| Goldenaires, Meaford United Church | Meaford |
| Grace United Church, Thornbury | Blue Mountains |
| Haliburton County Folk Society | Haliburton County |
| Haliburton Highlanders Pipes and Drums | Haliburton |
| Harmony North Chorus | Collingwood |
| Hawkestone Singers, Mailing Address | Hawkestone |
| Huntsville Community Choir | Huntsville |
| Huronia Harmonizers | Midland |
| Joybells Handbell Choir, No Physical Address | Barrie |
| Jubilee Chorale | Orillia |
| Kawartha Youth Orchestra, Rubidge St | Peterborough |
| King Edward Choir | Barrie |
| La Jeunesse Youth Orchestra | Port Hope (Municipality of) |
| Lyrica Choir | Barrie |
| Mitchell Legion Concert Band | West Perth |
| Muskoka Music Mix | Huntsville |
| New Tecumseth Singers (The) | New Tecumseth |
| Oriana Singers of Northumberland | Cobourg |
| Orillia Concert Band | Orillia |
| Orillia Silver Band | Orillia |
| Orillia Vocal Ensemble | Orillia |
| Orillia's Little Big Band | Orillia |
| Parkview Singers | Barrie |
| Peterborough Concert Band, Peterborough - Mailing Address | Peterborough |
| Peterborough New Horizons Bands | Peterborough |
| Peterborough Singers | Peterborough |
| Peterborough Symphony Orchestra | Peterborough |
| Prime Time Club | Wasaga Beach |
| Seaforth Harmony Kings | Huron East |
| Simcoe County Band | Barrie |
| Simcoe Singers, Mailing Address | Barrie |
| Society for the Preservation and Encouragement of Barbershop Quartet Singing In America, A Cappella Quinte | Quinte West |
| SONG | Cobourg |
| Sound Investment Community Choir | Collingwood |
| Stratford Concert Band, Mailing Address | Stratford |
| Stratford Concert Choir Association Inc., Stratford Concert Choir | Stratford |
| Stratford Police Pipes and Drums | Stratford |
| Sweet Adelines International, Orangeville Show Chorus | Orangeville |
| Ukuladies | Barrie |
| Vocal Maturity Barbershop Singers | Barrie |
| Vox Huronia Community Choir, Vox Huronia Chamber Choir | Midland |