Welcome to the Ontario Association of Sewage Industry Services (OASIS) – Find a Professional page.

Please enter your Postal Code to find a professional member of OASIS near you. If you have any questions or concerns regarding this map, please contact us at 1 (877) 202-0082 or info@oasisontario.on.ca
  • Septic Pumping
  • Septic System Design/Installation
  • Septic System Service Suppliers and Inspectors
  • Portable Toilet Rental
  • Biosolid Management
  • Affiliate