+osb®, founded in 1975, is a leading Manufacturer and Distributor of Plumbing Products. Located in Oakville Ontario, +osb® is Canada’s largest manufacturer and Distributor of Waste & Overflows, Traps, Lavatory Drains, Tubular Brass Fittings and various other Plumbing parts. +osb® 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 +osb® include Clicker™, Cable-Drive® and Fill&Drain™. +osb® has earned a reputation for offering innovative and high-quality products at competitive prices. Our products come in many of today’s most popular finishes, including Matte Black, Luxe Bronze and Brushed Gold.
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OS&B Questions
The OS&B annual revenue was $8.3 million in 2026.
Brent Cornelissen is the President of OS&B.
24 people are employed at OS&B.
OS&B is based in Oakville, Ontario.
The NAICS codes for OS&B are [3261, 326191, 32619, 32, 326].
The SIC codes for OS&B are [308, 30].
Top OS&B Employees
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Brent Cornelissen
President at OS&B
Oakville, ON, CA24 -
Edward Andria
President at OS&B
Toronto, ON, CA2 -
Adesua Ezeokafor
Chief Financial Officer at OS&B
Toronto, ON, CA11 -
Kristy Bell-Ryan
Vice President, Sales and Marketing - Canada at OS&B
Burlington, ON, CA35+ -
Greg Gillespie
Vice President U.S. Sales at OS&B
Ontario, Canada11 -
Gary Driuna
Plant Manager at OS&B
Toronto, ON, CA11 -
Michael Pinet
Director of Marketing and Retail Sales at OS&B
Oakville, ON, CA24 -
Kari Robson
Director of Supply Chain at OS&B
Mississauga, ON, CA11
