Organizations in CPC Oshawa District

 Association of Polish Engineers in Canada
 Canadian Polish Congress - Oshawa Branch
 General Sikorski Polish Veterans’ Association
 "Mazowsze" Girls Scout Troup
 Polish Alliance of Canada, Branch 21
 Polish Army Veterans' Association
 Polish National Union, Branch 7
 Scouting Friendship Circle
 St. Hedwig Polish School
 "Tatry" Polish Song and Dance Ensemble http://www.tatrydance.com