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Find your area DSO


There are 9 Developmental Services Ontario agencies across the province. To apply for services, you must connect with your area DSO. Please click on one of the options below:

Search by my current location

Use this option find the right agency for the location you're in right now.

Find by county / region

Click on your area DSO below to find their direct contact information

DSO Northern Region

  • Algoma
  • Dryden
  • Kenora
  • Manitoulin
  • Rainy River
  • Sault Ste. Marie
  • Sudbury
  • Thunder Bay

DSO South West Region

  • Bruce
  • Chatham-Kent
  • Elgin
  • Essex
  • Grey
  • Huron
  • Lambton
  • London-Middlesex
  • Middlesex
  • Oxford
  • Perth
  • Sarnia-Lambton
  • Windsor-Essex