Ontario Association of Sewage Industry Services
We are a Provincial Association established in 1991
O.A.S.I.S. was established in 1991 to represent Septic Pumper, Installers, Portable Toilet Suppliers, Manufacturers and Biosolid Professionals in the 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 150 member companies who work in the Province of Ontario, throughout Canada and North America.
Latest News
Communication Notice from the Ministry of Labour
The Ministry recognizes and appreciates the continuing challenges faced by [...]
Communication Notice from the Ministry of Environment, Conservation and Parks
Together with the Ministry of the Environment, Conservation and Parks [...]
COVID-19 Resources
Dear OASIS Members, Suppliers, Non-Members and Industry Specialists, Over the [...]
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