Organization / Program Name(s) Located In
Maitland Valley Conservation Authority, Middle Maitland Rejuvenation Committee, WroxeterHowick
Maitland Valley Conservation Authority, WroxeterHowick
Maitland Valley Snowmobile ClubNorth Perth
March of Dimes Canada (GTA)Toronto
Masonic Lodge, Listowel Masonic Hall, Bernard Lodge 225Listowel
Masonic Lodge, Mitchell, Tudor 141 A.F. & A.M.Mitchell
Masonic Lodge, St Marys, St James-Tecumseh Masonic Lodge No. 73St Marys
McConnell ClubSt Marys
McIntosh Farms, Listowel Butcher ShopNorth Perth
MED-E-OX, Goderich, Medical Equipment & Home Respiratory LtdGoderich
MedicAlert Foundation CanadaNorth York East
Memorial Baptist Church, Kids' ChurchStratford
Memorial Baptist Church, MBC DaycampStratford
Memorial Baptist ChurchStratford
Mid Huron Minor Hockey Association, Mailing AddressBluewater
Middlesex SwimmingPerth
Milverton Agricultural Society, Milverton Agri CentrePerth East
Milverton and District Medical CentrePerth East
Milverton and District Minor Softball, Mailing AddressPerth East
Milverton and District Snowmobile ClubPerth East
Milverton Christian FellowshipPerth East
Milverton Curling ClubPerth East
Milverton Thrift StorePerth East
Mindful Kids StratfordStratford
Ministry of Children, Community and Social Services (MCCSS), Stratford, Ontario Disability Support ProgramStratford
Minor Hockey Alliance of OntarioStratford
Mitchell & District Agricultural SocietyWest Perth
Mitchell and Area Community Outreach, Congregate Dining & Social ProgramsWest Perth
Mitchell and Area Community Outreach, Meals on WheelsWest Perth
Mitchell and Area Community Outreach, Wellness / Exercise programWest Perth
Mitchell and Area Community Outreach, Volunteer TransportationWest Perth
Mitchell and Area Community Outreach, West Perth - Various Locations, Exercise and Falls Prevention Group programWest Perth
Mitchell and Area Community Outreach, West Perth TransitWest Perth
Mitchell Business Improvement Area, Mitchell Business Improvement Area - Mailing Address OnlyWest Perth
Mitchell Curling ClubWest Perth
Mitchell Family DoctorsWest Perth
Mitchell Fish & Game ClubWest Perth
Mitchell Gymnastics ClubMitchell
Mitchell Horse ClubWest Perth
Mitchell Legion Concert BandWest Perth
Mitchell Lions Club, No Physical Address 
Mitchell Lion's ParkWest Perth
Mitchell Medical PharmacyMitchell
Mitchell Minor BaseballWest Perth
Mitchell Minor FastballWest Perth
Mitchell Minor HockeyWest Perth
Mitchell Minor SoccerWest Perth
Mitchell Minor SportsWest Perth
Mitchell Pioneer Hobby AssociationWest Perth
Mitchell RingetteWest Perth
Mitchell Skating Club, Mitchell Community Centre and ArenaWest Perth
Mitchell TaxiWest Perth
Model Ts, St Marys, Mens hockeySt Marys
Mood Disorders Association of Ontario, Telephone Support LineToronto Downtown
Motherwell Women's Institute, St Marys - Mailing AddressPerth South
Moving Towards Wellness Ltd, No Physical AddressGoderich
Multicultural Association of Perth-HuronStratford
Muscular Dystrophy Canada - Ontario Regional OfficeToronto Downtown North
Music and Opera Appreciation Inc, Music and Opera AppreciationStratford
Muskoka Bible Centre, HuntsvilleHuntsville
My Grandfather's Cat, No Physical Address - Online Service 
MY Tutoring, No Physical AddressStratford