Established in 1975, O’Brien Steel Service has sustained a commitment to one overriding goal: Be Easy to Buy From. Today, our customers range from small job shops to the largest OEMs in the USA. Our vast inventory of carbon steel and large fleet of delivery trucks makes your buying process easy to get what you want, when you need it. Processing capabilities include oxy-fuel cutting, plasma cutting, laser cutting, forming, beveling, machining, blasting, and more. And our 400+ dedicated employees ensure service that’s professional, timely, and quality focused. With locations in Peoria, Milwaukee, and Wausau, we are ready to meet your most demanding requirements!

With over 100 years of experience, O’Neal Steel is your trusted metal supplier. O’Neal Steel has 18 locations across the United States that supply and process a diverse selection of metal products including alloy, aluminum, hot rolled, cold-finished, and stainless steel to support a wide range of industries. From beams to tubing, O’Neal Steel is here to help with all of your metal needs. O’Neal Steel also offers an array of value-added services including tube lasering, fiber lasering, plasma, oxy-fuel cutting, and more. Want an instant quote? Shop, quote, order, and so much more in PRONTO®. PRONTO®, O’Neal Steel’s revolutionary online ordering platform, is available anywhere, anytime, on any device.

Stocking a full range of Stainless Round Bar, Hex Bar, Square bar and Flat Bar. Domestic/DFARS Stainless Pitch Diameters & Standard Diameters. Non-standard diameters & custom lengths are also available. Supplying Nationwide.