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Payment Portal Update - The Keller Supply payment portal can now be accessed directly by clicking Pay Bills. No separate login credentials are needed.

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OS&B®

Founded in 1975, OS&B is a leading manufacturer and distributor of plumbing products. Located in Oakville, Ontario, OS&B is Canada’s largest manufacturer and distributor of bath wastes, lavatory drains, tub and shower and various other plumbing parts.