OS&B®, founded in 1975, is a leading Manufacturer and Distributor of Plumbing Products. Located in Oakville Ontario, OS&B® is Canada’s largest manufacturer and Distributor of Waste & Overflows, Traps, Lavatory Drains, Tubular Brass Fittings and various other Plumbing parts.OS&B®, founded in 1975, is a leading Manufacturer and Distributor of Plumbing Products. Located in Oakville Ontario, OS&B® is Canada’s largest manufacturer and Distributor of Waste & Overflows, Traps, Lavatory Drains, Tubular Brass Fittings and various other Plumbing parts.

OS&B® services the Wholesale and Retail Industries. We also manufacture for and supply to some of the largest OEM brands in the world offering in-house product design and testing in order to address specific needs and requirements. Exclusive trademarks of OS&B® include Clicker™, Cable-Drive® and Fill&Drain™.