AB&I Foundry manufactures cast iron soil pipe and fittings in Oakland, California. For the last 20 years, AB&I has hosted 1000s of visitors from Engineers, Contractors, Distributors and to our good friends the plumbers. If you are interested in visiting AB&I, please contact your local Regional Sales Manager to schedule a foundry tour. You can also view our AB&I Foundry Tour video and learn about our history and how we manufacture our products. Or, you can view a quick 2-minute AB&I Manufacturing video.