Corrugated Cardboard/OCC Recycling Royal Oak Recycling specializes in handling fiber of all sorts, including corrugated cardboard recycling. We operate the largest fiber hogging and shredding system in the United States, and enjoy favorable, longterm relationships with the largest paper companies and mills (KimberlyClark Supplier of the Year in 2011, 2012, 2013; KimberlyClark Director's ...