| Quartet | Chapter | Area of operation | Province | Category |
| 1984 Harmony Queens | Black Magic | Harmony, Inc. Area 5 | Queen | ||
| 4 Corners | A Cappella Showcase | Milton, ON | Ontario | |
| 4Ever Plaid | Associate Member | Area 5 Nickel City Sound | Sudbury, ON | Ontario | |
| Continental Crush | Harmony, Inc. Area 5 | Ontario | ||
| Elixir | Harmony, Inc. Area 5 | Ontario | ||
| Kindred Spirits | Nickel City Sound | Sudbury, ON | Ontario | |
| Life is Good ! | A Cappella Showcase | Milton, ON | Ontario | |
| Looking Sharp | Chapman Mills | Ottawa, ON | Ontario | |
| Moving Parts | Scarborough Harmony | Scarborough, ON | Ontario | |
| ODYSSEY | A Cappella Showcase Associate Member | Area 5 | |||
| Onyx | A Cappella Showcase | Milton, ON | Ontario | |
| Quarter 2 Four | Baytones Harmony | North Bay, ON | Ontario | |
| RoadTrip | A Cappella Showcase | Milton, ON | Ontario | |
| Somesing | A Cappella Showcase Skyway Connection | Milton, ON | Ontario | |
| Sparkle! | Scarborough Harmony | Scarborough, ON | Ontario | |
| SWAG | Harmony, Inc. Area 5 | |||
| WHAT FOUR | Shades of Harmony | London, ON | Ontario | |
| Wicked Pitches | Skyway Connection | Hamilton, ON | Ontario |
