| DIVISION | HOST | CONTACT | EMAIL | DATES | HOST YEAR(S) |
| 8U AAA | East York | Michael Clarke | 01coachmike@gmail.com | Labour Day Weekend | 2022 & 2023 |
| 8U AA | Clarington | Jamiee-Lea Eymans
| secretary@claringtonbaseball.ca
| Labour Day Weekend | 2023
|
| 8U A | Kitchener | Kevin Phillip | admin@kitchenerminorbaseball.ca
| Labour Day Weekend
| 2023 |
| 8U B | St. Thomas | Diane Wakefield | tournamentregistration@rogers.com
| Labour Day Weekend | 2023 |
| 9U AAA | North Toronto | Dora Chow | admin@ntbaseball.com | Labour Day Weekend | 2022 & 2023 |
| 9U AA | Cambridge | Dwayne Scott | dewyscott@gmail.com | Labour Day Weekend | 2023 & 2024 |
| 9U A | Tecumseh | Jon Sylva | tmba.tournament@gmail.com | Labour Day Weekend | 2023 & 2024 |
| 9U B | Chatham | Ryan Presley | cmba.tournaments1946@gmail.com | Labour Day Weekend | 2023 & 2024 |
| 9U C | Kingsville | Gary Toupin
| g2pin@hotmail.com
| Labour Day Weekend | 2022 & 2023 |
| 9U D | Saugeen Shores | Lorraine Carroll | lgleasoncarroll@gmail.com | Labour Day Weekend | 2023 & 2024 |
| 10U AAA | Leaside | Jesse Harrison
| jesse@leasidebaseball.com
| Labour Day Weekend | 2022 & 2023 |
| 10U AA | LaSalle | Jenna Cole | jennacole24@gmail.com | Labour Day Weekend | 2023 |
| 10U A | Orillia | Ed Novosky | ed_novosky@yahoo.ca | Labour Day Weekend | 2023 |
| 10U B | Stratford | Bevan Mathieson | bevanmathieson@gmail.com | Labour Day Weekend | 2023 & 2024 |
| 11U AAA | Riverside | Tom Laporte | tlaporte3@cogeco.ca | Labour Day Weekend | 2023 & 2024 |
| 11U AA | Brantford | Jeff Leaist | bmbatournys@gmail.com | Labour Day Weekend | 2022 & 2023 |
| 11U A | Greater Niagara | Neil Alderton | nalder@cogeco.ca | Labour Day Weekend | 2023 & 2024 |
| 11U B | Muskoka | Peter Haynes | muskokahornets@rogers.com | Labour Day Weekend | 2023 |
| 11U C | Listowel | Curtis McLaughlin | curtmclaughlin@hotmail.com | Labour Day Weekend | 2022 & 2023 |
| 11U D | Wyoming | Brian Helps | Hel_psy34@hotmail.com | Labour Day Weekend | 2023 |
| 12U AAA | Markham | Elyse Floyd | markhambaseball@hotmail.com | Labour Day Weekend | 2022 & 2023 |
| 12U AA | Bradford | Shawna Miller | s.l.miller.morrison@gmail.com | Labour Day Weekend | 2023 |
| 12U A | Chatham | Ryan Presley | cmba.tournaments1946@gmail.com | Labour Day Weekend | 2023 |
| 12U B | Leamington | Nathan Albrecht | nathan.albrecht@icloud.com
| Labour Day Weekend | 2023 & 2024 |
| 13U AAA | Vaughan | Dirk Drieberg | Double.d@rogers.com | Labour Day Weekend | 2023 & 2024 |
| 13U AA | Aurora King | Jordan Keon | jjkeon@gmail.com | Labour Day Weekend | 2023 |
| 13U A | North London | Jay Dillman
| jaydillman@gmail.com
| Labour Day Weekend | 2022 & 2023
|
| 13U B | Simcoe | Jeff Shortt | Jeffshortt@gmail.com | Labour Day Weekend | 2023 & 2024 |
| 13U C | Welland | Bill Bouck | bill@wellandminorbaseball.ca | Labour Day Weekend | 2023 & 2024 |
| 13U D | Kincardine | Ryan Fraser | fraser.ryan19@gmail.com | Labour Day Weekend | 2023 & 2024
|
| 14U AAA | Etobicoke | Richard Pantalone | richardpantalone@rogers.com | Labour Day Weekend | 2023 & 2024 |
| 14U AA | Brantford | Jeff Leaist | bmbatournys@gmail.com | Labour Day Weekend | 2023 & 2024 |
| 14U A | Quinte | Christine Lisle | christine_lisle@cooperators.ca | Labour Day Weekend | 2023 |
| 14U B | Dorchester | Jennifer Coghlin | treasurer@dorchesterbaseball.com | Labour Day Weekend | 2023 |
| 15U AAA | Leaside | Karrine Chan | karinne.chan@gmail.com | Labour Day Weekend | 2023 & 2024 |
| 15U AA | Seaway Surge | Tim Hamilton | timh2594@gmail.com | Labour Day Weekend | 2022 & 2023 |
| 15U A | Walker Homesites | Mark Ruttle | whacpresident@gmail.com | Labour Day Weekend | 2022 & 2023 |
| 15U B | Tillsonburg | Scott Vitias | svitias@bell.net | Labour Day Weekend | 2022 & 2023 |
| 15U C | Port Lambton | Ryan Barnes
| rbarnerd@gmail.com
| Labour Day Weekend | 2023
|
| 15U D |
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| 16U AAA | Hamilton | Bill Tunney | b.tunney008@gmail.com | Labour Day Weekend | 2023 & 2024 |
| 16U AA | Caledon | Tim Thornton | Nationalstt@gmail.com | Labour Day Weekend | 2023 & 2024 |
| 16U A | Quinte | Christine Lisle | christine_lisle@cooperators.ca | Labour Day Weekend | 2023 |
| 18U AAA | Kitchener | Kevin Phillip | admin@kitchenerminorbaseball.ca
| August 18-20, 2023 | 2023 & 2024
|
| 18U AA | Walker Homesites | Mark Ruttle | whacpresident@gmail.com | August 18-20, 2023 | 2022 & 2023 |
| 18U A | Stratford | Bevan Mathieson | bevanmathieson@gmail.com | August 18-20, 2023 | 2023 & 2024 |
| 18U B | Chatham | Ryan Presley | cmba.tournaments1946@gmail.com | August 18-20, 2023 | 2023 & 2024 |
| 18U C | Kingsville | Bobbi Jo Reive | bobbi.reive@gmail.com | August 18-20, 2023 | 2023 & 2024 |
| 22U AA | Seaway Surge | Calvin Medynski | calvin.medynski@seawaysurge.com | August 11-13, 2023 | 2023 & 2024 |
| 22U A | Walker Homesites
| Mark Ruttle | whacpresident@gmail.com
| August 11-13, 2023 | 2023
|
| 22U B | Simcoe | Jeremy Short
| yttrohs@hotmail.com | August 11-13, 2023 | PENDING
|
| SENIOR AA | Vaughan | Dirk Drieberg | Double.d@rogers.com | Labour Day Weekend | 2023 & 2024 |
| SENIOR A | Thorold | Carmine Ciolfi | cpciolfi@vaxxine.com | Labour Day Weekend | 2023 & 2024 |
| SENIOR B | Petrolia | Tim Martin | Fire_fighter_0027@hotmail.com | Labour Day Weekend | 2022 & 2023 |
| SENIOR C | Port Hope | Bobby Gilligan | bobbygilligan17@gmail.com | Labour Day Weekend | 2023 & 2024 |
