Josam, in business before the term engineered plumbing-drainage existed, is recognized around the world for producing high quality specification drainage products. Formed in 1914, Josam patented its Model Number 100 floor drain with its innovative double-drainage flange; a feature that is still an industry standard today. Josam Company, under the Holloway ownership since 1987, continues to offer such innovative products as our grease recovery systems, to the specification drainage industry