STATE:ONT CORPS (127)
| Corps Name | Other Names | City | State | Country |
|---|---|---|---|---|
| 2nd Signals | Canada's Marching Ambassadors | Toronto | ONT | Canada |
| 5th Col. RCASC | Toronto | ONT | Canada | |
| Ajax Sea Cadet Bugle Band | RCSCC Ajax | Guelph | ONT | Canada |
| Ambassadors (ONT) | Out of the Blue | Aurora | ONT | Canada |
| Angels | Belafonte | ONT | Canada | |
| Arnprior Lions | Arnprior Lions-Hi Risers | Arnprior | ONT | Canada |
| Bandettes | Sault Ste. Marie | ONT | Canada | |
| Belles of St. John | Branford | ONT | Canada | |
| Belltones | Brantford | ONT | Canada | |
| Blue Saints | Sudbury | ONT | Canada | |
| Bluewater Buccaneers | Bluewater Lionaires | Sarnia | ONT | Canada |
| Bluewater Lionaires | Sarnia | ONT | Canada | |
| Brampton Senators | Brampton | ONT | Canada | |
| Brantford Girls | Brantford | ONT | Canada | |
| Burlington Commanders | Burlington | ONT | Canada | |
| Bytown Gunners | Ottawa | ONT | Canada | |
| Cadet Lancers | Etobicoke | ONT | Canada | |
| Cadets La Salle | Ottawa | ONT | Canada | |
| Cadets of Dutch Boy | Kitchener | ONT | Canada | |
| Canada's Marching Ambassadors | Toronto | ONT | Canada | |
| Canadaires | Niagara Falls | ONT | Canada | |
| Canadian Commanders | Toronto | ONT | Canada | |
| Canadian Knights | Golden Knights | Peterborough | ONT | Canada |
| Cardinal Cadets | Most Precious Blood Cadets | Scarborough | Ont | Canada |
| Cardinals | Most Precious Blood Cardinals; Cardinals of PB | Scarborough | Ont | Canada |
| Cavalcade | Brampton | ONT | Canada | |
| Coachmen (Ontario) | Keswick | ONT | Canada | |
| Community Living Hamilton | Hamilton | ONT | United States | |
| Conqueror | Hamilton | ONT | Canada | |
| Conqueror II | Hamilton | ONT | Canada | |
| Contemporary Youth Ensemble | Vanier | ONT | Canada | |
| De La Salle Oakland Crusaders Alumni | DOCA | Toronto | ONT | Canada |
| De La Salle Oaklands | Toronto | ONT | Canada | |
| Denis Morris Majestics | St. Catharines | ONT | Canada | |
| Durham Girls | Durham All Girls | Durham | ONT | Canada |
| Dutch Boy | Dutch Boy Cadets | Kitchener | ONT | Canada |
| E. Scarborough Kingsmen | E. Scarborough | ONT | Canada | |
| Elgin Regiment | Elgin 27 Armoured Regiment, Royal Canadian Armoured Corps | St. Thomas | ONT | Canada |
| Emerald Knights (ONT) | Emerald Cadets | Mississauga | ONT | Canada |
| Empire Loyalists | Amherstview | ONT | Canada | |
| Etobicoke Crusaders | Out of the Blue | Etobicoke | ONT | Canada |
| Etobicoke Knights | Etobicoke | ONT | Canada | |
| Georgian Lancers | Owen Sound | ONT | Canada | |
| Golden Lions (ONT) | Simcoe | ONT | Canada | |
| Golden Monarchs | Toronto | ONT | Canada | |
| Grantham | St Catharines | ONT | Canada | |
| Guelph Royalaires | North Star/Royalaires, 11th Firld Regiment Royal Canadian ArtilleryTrumpet Band | Guelph | ONT | Canada |
| H.Y.P.E. | HYPE; Hamilton Youth Performing Ensemble; merger Conqueror II and Ridge Raiders | Hamilton | ONT | Canada |
| Hamilton Knights | Hamilton | Ont | Canada | |
| Hamilton Viscounts | Hamilton | ONT | Canada | |
| Hanover | Hanover District High School | Hanover | ONT | Canada |
| Hyliters | Toronto | ONT | Canada | |
| Jolly Jesters | Toronto | ONT | Canada | |
| Jungle Kings | Leaside | ONT | Canada | |
| Kawartha Kavaliers | Lindsay | ONT | Canada | |
| Kemenfelt | ONT | Canada | ||
| Kingston Grenadiers | Limestone City Grenadier Drum & Bugle Corps | Kingston | ONT | Canada |
| Kinsmen | East Scarborough | ONT | Canada | |
| Kitchner Flying Dutchmen | Kitchner | ONT | Canada | |
| Kiwanis Kavaliers | merged with Tampa Bay Thunder (2002) | Kitchener | ONT | Canada |
| Krescendos | Peterborough | ONT | Canada | |
| Lambton Lions | Sarnia/Lambton | ONT | Canada | |
| Lampliters | Orange Young Brittons - Hackett O.Y.B. 120; O.Y.B. Lampliters | Smith Falls | ONT | Canada |
| Leamington Townsmen | Leamington | ONT | Canada | |
| Les Compagnons | Companions; Embrun | Ottawa/Embrun | ONT | Canada |
| Les Hilltoppers | ONT | Canada | ||
| Limestone City Grenadiers | Limestone City | ONT | Canada | |
| Lionettes | Marching Angels | Sarnia | Ont | Canada |
| Lions Of London | London | ONT | Canada | |
| London Imperials | London | ONT | Canada | |
| Marching Angels (Canada) | Sarnia | ONT | Canada | |
| Marching Diplomats | Sarnia | ONT | Canada | |
| Marching Saints | Carleton Place | ONT | Canada | |
| McMaster Drumline | Hamilton | ONT | Canada | |
| McMaster Marching Band | Hamilton | ONT | Canada | |
| Merriton Grenadiers | Merriton | ONT | Canada | |
| Michael Power Knights | Toronto | ONT | Canada | |
| Midlanders | Merger Oakridge Optimists and Woodstock Imperials | London-Woodstock | ONT | Canada |
| Midlanders | London | ONT | Canada | |
| Midtowners | Toronto | ONT | Canada | |
| Niagara Memorial Militaires | Niagara Memorial Band | Niagara Falls | ONT | Canada |
| Niagara Memorial Militaires Alumni | Niagara Falls | ONT | Canada | |
| Niagara Regionnaires | St. Catharines | ONT | Canada | |
| Northern Dream | Windsor | ONT | Canada | |
| Northshore | Merger of Cardinals and Oakland Crusaders | Scarborough | ONT | Canada |
| Northstars | merger Flying Dutchmen and Dutch Boy Cadets | Kitchener-Waterloo | ONT | Canada |
| Northwind | Northwind Rebels; Oshawa Rebels; Rebels | Oshawa | ONT | Canada |
| Oakland Crusaders | Merger of De La Salle and Etobicoke. | Etobicoke | ONT | Canada |
| Oakridge Optimists | London | Ont | Canada | |
| Optimist Knights | Opti-Knights | Guelph | ONT | Canada |
| Optimist Lancers | Etobicoke | ONT | Canada | |
| Optimists Alumni | Toronto | ONT | Canada | |
| OYB Lampliters | Smiths Falls | ONT | Canada | |
| P. Credit Ambassadors | Port Credit | ONT | Canada | |
| Patrolettes | Patrolettes All Girl | Oakville | ONT | Canada |
| Phoenix (ONT) | Sarnia | ONT | Canada | |
| Pickering | ONT | Canada | ||
| Port Credit Saints | Port Credit | ONT | Canada | |
| Port Dalhousie Guardsmen | Port Dalhousie | ONT | Canada | |
| Preston Scout House Alumni Band | Preston | ONT | Canada | |
| Princemen (ONT) | Scarborough | ONT | Canada | |
| Ridge Raiders | Hamilton | ONT | Canada | |
| Rose City Guardsmen | Rose City Guardsmen | Windsor | ONT | Canada |
| Royal Blues | Simcoe | ONT | Canada | |
| Scarborough Firefighters | Fire Fighters | Scarborough | ONT | Canada |
| Scout House Bugle Band | Preston | ONT | Canada | |
| Seneca Optimists | merger of Seneca Princemen and Toronto Optimists | Toronto | ONT | Canada |
| Seneca Princemen | Toronto | ONT | Canada | |
| Sertomanaires | Sarnia | ONT | Canada | |
| Snap! Minicorps | Ottowa | ONT | Canada | |
| Squires of Ontario | Peterborough | ONT | Canada | |
| St. Andrews | Cambridge | ONT | Canada | |
| St. Catharines Chessmen | merger Grantham and Denis Morris Majestics | St. Catharines | ONT | Canada |
| St. Catherine's Buccaneers | Merriton Lions Buccaneers | St. Catherines | ONT | Canada |
| St. John's | St. John's Girls | Brantford | ONT | Canada |
| Stamford Guards | Stamford | ONT | Canada | |
| Sudbury Imperial Knights | Sudbury | ONT | Canada | |
| Thorold Black Knights | Thorold | ONT | Canada | |
| Toronto Optimists | 18th Scout Troop; 157th Scout Troop Trumpet Band | Toronto | ONT | Canada |
| Toronto Signals | 2nd Signal | Toronto | ONT | Canada |
| Townsmen (ONT) | Leamington | ONT | Canada | |
| United Alumni Senior Corps | Simcoe | ONT | Canada | |
| Ventures | Kitchener | ONT | Canada | |
| Welland Lancers | Welland | ONT | Canada | |
| Welland Trojans | Welland | ONT | Canada | |
| Woodstock Imperials | Woodstock | ONT | Canada | |
| York Lions | North York | ONT | Canada |
