October 2011 - International Pipe & Supply, Oklahoma City, purchased the assets of Liberty Rocky Mountain Pipe, Jerome, Idaho, to form Bison Pipe & Supply. The people, products and location will remain the same as the former company. Bison Pipe serves the energy, hydro, piling, construction, structural and livestock markets. It carries various sizes of pipe and custom-manufactured panels, gates and other livestock-handling equipment. Bison Pipe also has onsite manufacturing facilities.