Manufacturer of Expeller®/Expanders Now known as Anderson International Corp, our achievements and longevity have earned us w ... orldwide recognition. The Expeller®, invented by Valerius D. Anderson over 100 years ago, has become commonplace in the Vegetable Oil, Rendering, and Synthetic Rubber Industries. We have manufactured and sold machines processing oilseeds, meat by-products, synthetic rubber and animal feeds to industries in over 90 countries. Anderson International Corp's process knowledge and continued improvements in technology and design assure that our customers will continue relying on our goods, our services and our technology in the years to come. read more