Minor Atom A – Pickering Panthers (OMHA)
Minor Atom AA – Ted Reeve Thunder
Atom A – Toronto Aeros
Atom AA – Markham Waxers (OMHA)
Minor Peewee A – Toronto Eagles
Minor Peewee AA – Toronto Wolverines
Peewee A – Duffield Devils
Peewee AA – North York Knights
Minor Bantam A – West Mall Lightning
Minor Bantam AA – Toronto Wolverines
Bantam A – Ted Reeve Thunder
Bantam AA – Vaughan Rangers
Minor Midget A – Toronto Eagles
Minor Midget AA – Humber Valley Sharks
Midget Jr. A – East Enders Ticats

Minor Atom A – Goulding Park Rangers
Minor Atom AA – Vaughan Panthers
Atom A – Markham Waxers (OMHA)
Atom AA – Toronto Eagles
Minor Peewee A – North Toronto
Peewee A – Don Mills Mustangs
Peewee AA – Ice Warriors
Minor Bantam A – Richmond Hill Stars (OMHA)
Minor Bantam AA – Toronto Aeros
Bantam A – Pickering Panthers (OMHA)
Bantam AA – Mississauga Terriers

Minor Atom – Vaughan Rangers
Atom – Vaughan Panthers
Minor Peewee – Ted Reeve Thunder
Peewee – Leaside Flames
Minor Bantam – Meadowvale Mohawks
Bantam – Leaside Flames
Minor Midget – Toronto Aeros
Midget – Erindale Spitfires
Midget Jr. – Hillcrest Canadiens

Six GTHL teams finished 2015-16 as provincial champs
Atom A – Riverside Rangers (OMHA)
Atom AA – London Jr. Knights White (ALLIANCE)
Atom AAA – Toronto Young Nationals (GTHL)
Peewee A – Temiskaming Shores Puckhounds (NOHA)
Peewee AA – Timmins North Stars (NOHA)
Peewee AAA – Don Mills Flyers (GTHL)
Bantam A – Grimsby Kings (OMHA)
Bantam AA – Barrie Colts (OMHA)
Bantam AAA – Mississauga Rebels (GTHL)
Midget A – Stratford Jr. Cullitons (ALLIANCE)
Midget AA – Mississauga Jets (GTHL)
Midget AAA – North York Rangers (GTHL)
Under-21 AAA – Mississauga Braves (GTHL)