International Paper Finalizes Transaction with Grupo Orsa in Brazil: International Paper and Brazilian corrugated packaging producer Jari Celulose, Embalagens e Papel S.A., a Grupo Orsa company, have finalized the formation of Orsa International Paper Embalagens S.A. The new entity, in which IP will hold a 75 percent stake, includes three containerboard mills and four box plants, which make up Jari's former industrial packaging assets.