MD"A" consists of 10 Districts, covering from Windsor to Cornwall, from White River to Mattawa, from Lake Erie to Hudson Bay in Ontario, and almost a dozen Clubs in Quebec from Buckingham near Ottawa to Chapeau near Petawawa.

District A-1

From Windsor to south of Grand Bend, and to London and St. Thomas

District A-2

From near Tillsonburg to Grimsby and Niagara-on-the-Lake and south

District A-3

From Courtice to past Kingston, north to Bancroft and Denbigh-Griffith

District A-4

From Gananoque to Cornwall, north past Ottawa to Petawawa and Barry's Bay, including portions of Quebec near Ottawa and Pembroke Petawawa.

District A-5

From White River, south to Sault Ste. Marie, and along the north shore of Georgian Bay through North Bay to Matawa, including a portion north to Moose Factory.

District A-9

Along Lake Huronr from Goderich north, including the Bruce Peninsula, east from Goderich to Orangeville.

District A-12

Along the eastern shore of Georgian and Nottawasaga Bays from Britt south, to just west of Collingwood, south to Hwy 9, and north through Innisfil, Barrie and Orillia, and all of Muskoka.

District A-15

From Bayfield on the west to Marsville on the east, from Lynden in the east to Ingersoll, and west again to just north of Grand Bend.

District A-16

From Hwy#401, north to Muskoka, between Hwy #400 and Hwy #115, not including the Peterborough Area.

District A-711

City of Toronto, Brampton, Peel, Halton, Wentworth, and parts of Brant.

A - Ontario, Quebec

C - Alberta, British Columbia, Northwest Territories

N - New Brunswick, Nova Scotia, Prince Edward Island, Newfoundland/Labrador, Maine

U - Quebec, Ontario, St Pierre et Miquelon

5 - Saskatchewan, North Dakota, South Dakota

5M - Manitoba, Ontario, Minnesota

19 - British Columbia, Washington, Idaho

49 - Yukon, British Columbia, Northwest Territories, Alaska