About OSI Plastics

Pipe History


Profile History


Founded in 1975, OSI Plastics strives daily to meet the specifications and needs of all of our custumers.

O S I Plastics is ISO 9001:2008 Certified.


Ohio Steel Industries founded in Columbus, Ohio in 1958, began operations as a fabricator of structural steel. Our diversified company today operates plastic extrusion, fabrication, production, warehousing and rental real estate facilities of more than 300,000 square feet, located in two Ohio cities. Our core business expertise is providing plastic extrusion, structural steel fabrication and contract manufacturing of plastic and steel products to the design and critical specifications established by our customers.