Ontario Association of Sewage Industry Services (OASIS)

OASIS was established in 1991 to represent and support businesses in the septic, portable toilet and land application industry. We are dedicated to working with various levels of government, associations and those in related fields to improve and conform to regulations and guidelines pertaining to the sustainability of the environment in the Province of Ontario.

Presently, we have over 175 member companies who work in the Province of Ontario, throughout Canada and North America.