The Ontario Association of Sewage Industry Services (OASIS) is a provincial Association established in 1991 to represent Septage Pumpers and Haulers, Sewage System Installers, Portable Toilet suppliers, Manufacturers and Professionals.

Presently, OASIS has over 165 member companies who work in the Province of Ontario, throughout Canada and North America.

OASIS Bylaws is a governing document which provides a framework which the association conforms to. The bylaws act as a foundation for our meetings, elections of board of directors and officers, types of duties and committees.

Download a PDF copy of the OASIS By-Laws