OMSSA's Members

OMSSA's members are Ontario's 47 Service System Managers (Consolidated Municipal Service Managers (CMSMs) and District Social Services Administration Boards (DSSABs), including:

City of Brantford

City of Cornwall

City of Greater Sudbury

City of Hamilton

City of Kawartha Lakes

City of Kingston

City of London

City of Ottawa

City of Peterborough

City of St. Thomas

City of Stratford

City of Toronto

City of Windsor

Counties (U/C) of Leeds & Grenville

Counties (U/C) of Prescott & Russell

County of Bruce

County of Dufferin

County of Grey

County of Hastings

County of Huron

County of Lambton

County of Lanark

County of Norfolk

County of Northumberland

​County of Oxford

County of Renfrew

County of Simcoe

County of Wellington

District of Algoma (ADSAB)

District of Cochrane (CDSSAB)

District of Kenora (DSSAB)

District of Manitoulin-Sudbury (DSSAB)

District of Muskoka

District of Nipissing (DSSAB)

District of Parry Sound (DSSAB)

District of Rainy River (DSSAB)

District of Sault Ste. Marie (DSSAB)

District of Thunder Bay Social Services Administration Board (TBDSSAB)

District of Timiskaming (DSSAB) 

Municipality of Chatham-Kent

Prince Edward-Lennox and Addington Social Services (PELASS)

Regional Municipality of Durham

Regional Municipality of Halton

Regional Municipality of Niagara

Regional Municipality of Peel

Regional Municipality of Waterloo

Regional Municipality of York